

Prof. Om Prakash

Professor 
Ph.D., Banasthali University, Rajasthan 
Ph: +91 6115 233108 (Office) 
Ph: +91 6115 233487 (Res.) 
om[*AT]iitp.ac.in 

Teaching Experience 
: 
21 years 
Professional Experience 
: 
 Associate Professor (Mathematics), IIT Patna from Dec. 18, 2015 to Feb. 07, 2022.
 Assistant Professor, IIT Patna, from Dec. 23, 2011 to December 17, 2015.
 Associate Professor, Banasthali University, Rajasthan from January 16, 2010 to December 22, 2011.
 Assistant Professor, Banasthali University, Rajasthan from July 2001 to January 2010.

Awards & Honours 
: 
 2^{nd} rank in the University at graduate level.

Member of the Professional bodies 
: 
 Lifetime Member of Indian Science Congress Association, Kolkata (Membership No.: L13648) from 2005.
 Lifetime Member of the Calcutta Mathematical Society, Kolkata from 2010.
 Lifetime Member of the Indian Mathematical Society, Pune (Registration No. S550, New Delhi) from 2012.
 Lifetime Membership of the Ramanujan Mathematical Society (Membership No.: 1452) from 2019.
 Annual Membership of the American Mathematical Society 2022.

Research Areas 
: 
Rings & Modules (Skew Polynomial Rings, Associated Prime Rings) 
Research Interests 
: 
Algebraic Coding Theory, Algebraic Graph Theory, Algebraic Number Theory 
Courses taught at IITP 
: 
 MA101: Mathematics I B. Tech. (5 times)
 MA102: Mathematics II B. Tech. (5 times)
 MA 201: Mathematics III B. Tech. (2 time)
 MA 231: Introduction to Numerical Methods B. Tech. (4 times)
 MA 505: Number Theory & Cryptography M. Tech. (5 times)
 MA 701: Algebra Ph. D.(2 times)
 MC 591: Seminar M. Tech. I sem (2 times)
 MC 592: Seminar M. Tech. II sem (1time)
 MA 421: Linear Algebra M. Sc. I sem (4 times)
 MA425: Real Analysis M. Sc. I sem (1time)
 MA 427: Algebra M. Sc. I sem (3 times)
 MA 424: Complex Analysis M. Sc. II sem (2 times)
 MA536: Rings & Modules M. Sc. IV sem (5 times)
 MA428: Measure Theory M. Sc. II sem (1 time)
 MA001: Preparatory course (2 times)
 MA002: Preparatory course (2 times)

Courses taught at Banasthali Vidyapith 
: 
 UG (B. Sc. & B. Tech.):
Abstract Algebra, Theory of Matrices, Linear Programming, Differential Equations, Linear Algebra, Calculus, Advanced Calculus, Number Theory, Basic Mathematics and Dynamics & Statics.
 PG: Functional Analysis, Rings & Modules, Linear Algebra, Abstract Algebra, Real Analysis and Complex Analysis.
 M. Phil.: Advanced Analysis, Linear Algebra and Rings & Modules.

Research/ M.Phil/ PG Projects guided 
: 
 Ph. D. Supervision (Completed/ ongoing): 11 / 7
 M. Phil. Dissertations: 8
 M. Tech. Dissertations: 01 (completed 2019)
 Oneyear research projects of M. Sc. (Mathematics) students : 17/02

Ph.D. Students 
: 
Ph. D. Supervision (Completed/ ongoing):
 Mr. Diwakar Sharma Jan. 2010 at Banasthali Vidyapith (Awarded April 2015).
 Mr. Raj Kumar Mistri at IIT Patna (With Dr. R. K. Pandey) (Awarded June 2016).
 Ms. Kalpana Jan. 2011 at Banasthali Vidyapith (Awarded Dec. 2016).
 Mrs Sheela Suthar July 2011 at Banasthali Vidyapith (Awarded Dec. 2016).
 Mrs. Nidhi Shekhawat Jan. 2010 at Banasthali Vidyapith (With Prof. R. K. Rathie) (Awarded April 2017).
 Mr. Atul Sangal July 2011 at Banasthali Vidyapith (with Dr. R. K. Saini) (Awarded April 2017)
 Ms. Anshika Srivastava May 2013 at IIT Patna (With Dr. R. K. Pandey) (Awarded Dec. 2018)
 Ms. Sushma Singh July 2012 at IIT Patna (Awarded in Nov. 2019)
 Mr. Arindam Ghosh July 2014 at IIT Patna (Awarded July 2021)
 Mr. Ram Krishna Verma July 2015 at IIT Patna (Awarded Oct. 2021).
 Mr. Habibul Islam Jan. 2017 at IIT Patna (Awarded Aug. 2021)
 Mr. Ravindra Kumar July 2015 at IIT Patna
 Ms. Shikha Patel Jan. 2018 at IIT Patna
 Ms. Shikha Yadav July 2018 at IIT Patna.
 Mr. Ashutosh Singh July 2019 at IIT Patna.
 Mr. Indibar Debnath July 2019 at IIT Patna.
 Mr. S. K. Aziz Aug. 2020 at IIT Patna.
 Ms. Priyanka Sharma July 2021 at IIT Patna (under CRG SERB DST Project).
M. Phil. Dissertations:
 A study of generalized ideals in near Rings (Ms. Savita Kumari 2009)
 Ore extensions over 2 primal rings (Ms. Neti Jangra 2009)
 A study of Baer and P.P. rings (Ms. Anjali Yadav 2010)
 A study of ideals in Γ near rings (Ms. Kalpana Thakur 2010)
 Study of commutativity of prime Γ near rings with Γ (σ, τ) derivations (Ms. Aarti Gupta 2010)
 A study of radicals in matrix near rings (Ms. Latika Leekha 2011)
 The study of graph of a near ring with respect to an ideal (Ms. Ritu Rani Meherwal 2011)
 A study of skew polynomial rings over pseudovaluation rings (Ms. Swati Verma 2012)
M. Tech. Project/Thesis:
 A study of cyclic codes over matrix ring (Mr. Dipak Kumar Bhunia– 201819).
Oneyear research projects of M. Sc. (Mathematics) students:
 Ore extensions of σ rigid and δ rigid rings (Ms. Garima Chopra 200607).
 Differential ideals and orders in Artinian rings (Ms. Anju 200607).
 A note on compatible ideals and radicals of Ore extensions (Ms. Nidhi Khandelwal 200708).
 Jordan derivations of prime rings with characteristic two (Ms. Sheenu Rani 200708).
 On 2primal Ore extensions (Ms. Disha Wadhwa 200910).
 Prime radicals of skew polynomial ring (Ms. Reetu Yadav 200910).
 Completely pseudo valuation rings and their extensions (Ms. Vinti Sharma 200910).
 Study of pseudo valuation rings and their extensions (Ms. Samridhi Rathi 201011).
 Study of associated prime ideals of differential operator rings (Ms. Gayatri Tuneja 201011).
 Study of prime ideals and primary decompositions in a nonassociative ring (Ms. Upma Sharma 201011).
 A study of normal fuzzy Rsubgroups in near rings (Ms. Rekha Yadav 201112).
 A study of prime skew rings and skew power series Armendariz rings (Ms. Pratibha Rani 201112).
 Cyclic codes over finite rings (Syamantak Das 201718).
 A study of Constacyclic codes over finite rings (Damini Sidola 201819).
 A study of constacyclic codes over the ring ℤ4[u,v]/<u^{2}, v^{2}, uvvu>, (Kuldeep Jain201920).
 A study of cyclic codes over the ring M_{4}(F_{2}), (Girish Kumar Sahu 201920).
 Generalized Jordan derivations over algebras (Vikas Vaibhav 202021).
 Generalized Jordan Derivations over RingsMayank Kashyap (202122).
 Skew λConstacyclic Codes over Finite Rings Kashyap Rabha (202122).
Summer & Winter intern projects of M. Sc. (Mathematics) students
 Mr. Ujjwal Pratap (CUSB, Bodh Gaya) during May 1 to June 30, 2014.
 Mr. Tekaram Kisan (ISERC, V. B. U. Santiniketan) during June 1 to July 15, 2014.
 Mr. Akash Kumar (NIT Rourkela) during May 01 to June 30, 2017.
 Mr. Aman Kumar (IISER Bhopal) during Dec. 0131, 2018.

Sponsored Research Project 
: 
Skew cyclic codes over the extension of Z_{4} and their applications in quantum and DNA computing, Science & Engineering Research Board (SERB)DST, Govt. of India (CRG/2020/005927, vide Diary No. SERB/F/6780/ 20202021 dated 31 December, 2020 for 3 years of worth Rs. 20,73,720). 
Publications 
: 
Journal Publications:
 Shikha Patel, Habibul Islam and Om Prakash, (f, σ, δ) skew polycyclic Codes and their applications to quantum codes, Internat. J. Theoret. Phys. (Online from Feb. 2022) https://doi.org/10.1007/s10773022050358. (Springer).
 Ram Krishna Verma, Om Prakash, Habibul Islam and Ashutosh Singh, New nonbinary quantum codes from skew constacyclic and additive skew Constacyclic Codes, Eur. Phys. J. Plus (2022) 137:213. https://doi.org/10.1140/epjp/s13360022024299. (Springer).
 Ravindra Kumar and Om Prakash, Pancyclic zero divisor graph over the ring Zn[i], Discrete Math. Algorithms Appl. (Online from Jan.15 2022) https://doi.org/10.1142/S1793830922500495 (2022). (World Scientific).
 Shikha Patel and Om Prakash, (θ, δθ)Cyclic codes over Fq[u,v]/< u2u, v2v, uvvu>, Des. Codes. Cryptogr. (2021) (Online from Nov. 2021) https://doi.org/10.1007/s10623021009647. (Springer).
 Om Prakash, Shikha Patel and Shikha Yadav, Reversible cyclic codes over some finite rings and their application to DNA codes, Comput. Appl. Math. 40(7) (2021), 17pp. DoI: https://doi.org/10.1007/s4031402101635y. (Springer).
 Om Prakash and Shikha Patel, Skew cyclic codes over Fq[u,v,w/< u21, v21, w21, uvvu, vwwv, wuuw>, Discrete Math. Algorithms Appl. (Online from April 2021) https://doi.org/10.1142/S17938 30921501135. (World Scientific).
 Habibul Islam, Shikha Patel, Om Prakash and Patrick Sole, A family of constacyclic codes over a class of nonchain rings A_{q,r} and new quantum codes, J. Appl. Math. Comput. (Accepted Aug. 2021), DoI: https://doi.org/10.1007/s12190021016239. (Springer).
 Ram Krishna Verma, Om Prakash, Ashutosh Singh and Habibul Islam, New Quantum Codes from Skew Constacyclic Codes, Adv. Math. Commun. (2021), doi:10.3934/amc.2021028. (American Institute of Mathematical Sciences).
 Habibul Islam and Om Prakash, Construction of LCD and new quantum codes from cyclic codes over a finite nonchain ring, Cryptogr. Commun. (2021) Doi.org/10.1007/s12095021005169.
 Om Prakash, Habibul Islam, Shikha Patel and Patrick Sole, New quantum codes from skew constacyclic codes over a class of nonchain rings _Re,q,_ Internat. J. Theoret. Phys. 60 (9) (2021) Doi.org/10.1007/s10773021049100.
 Habibul Islam, EdgarMartínezMoro, Om Prakash, Cyclic codes over a nonchain ring R_{e}_{,}q and their application to LCD codes, Discrete Math. 344(10).
 Habibul Islam and Om Prakash, New quantum and LCD codes over the finite field of even characteristic, Defence Science Journal 71(5) (2021), 656661.
 Habibul Islam and Om Prakash, Structure of skew cyclic codes over F_{p}[u]/< u^{k}>, J. Discrete Math. Sci. Cryptogr. (Accepted Aug. 2021).
 Habibul Islam, Om Prakash and Dipak Kumar Bhunia, On the structures of cyclic codes over M_{2}(F_{p}+uF_{p}), Indian J. Pure Appl. Math. 112 (2021), https://doi.org/10.1007/s1322602100014x. (Springer)
 S. Rani, R. K. Verma and Om Prakash, Quantum codes from repeatedroot cyclic and negacyclic codes of length 4p^{s} over F_{pm}, Int. J. Theor. Phys. 60(4) (2021), 1299–1327. (Springer)
 Shilha Yadav, Habibul Islam, Om Prakash and Patrick Sole, Selfdual and LCD double circulant and double negacirculant codes over F_{q} + uF_{q} + vF_{q}, J. Appl. Math. Comput. (2021), 117. https://doi.org/10.1007/s12190021014999. (Springer).
 Habibul Islam and Om Prakash, New ℤ_{4 }codes from constacyclic codes over a nonchain ring, Comput. Appl. Math. 40(1) (2021), 12(117). https://doi.org/10.1007/s4031402001398y. (Springer).
 Om Prakash, Habibul Islam and Symantak Das, On cyclic codes with minimal generating sets over the ring Z_{pk}, Southeast Asian Bull. Math. 45(4) (2021), 521–532. (Southeast Asian Mathematical Society)
 A. Alahmadi, H. Islam, Om Prakash, P. Sole, A. Alkenani, N. Muthana and R. Hijazi, New quantum codes from constacyclic codes over a nonchain ring, Quantum Inf. Process. 20(2) (2021), Paper No. 60, 17 pp.DOI: https://doi.org/10.1007/s1112802002825z. (Springer)
 Habibul Islam and Om Prakash, New quantum codes from constacyclic and additive constacyclic codes, Quantum Inf. Process. 19(9) (2020), Paper No. 319, 17 pp. DOI:https://doi.org/10.1007 /s11 12802002825z. (Springer)
 Om Prakash, Shilha Yadav and R. K. Verma, Constacyclic and linear complementary dual codes over F_{q} +u F_{q}, Defence Sci. Journal 70(6) (2020), 626632.
 Habibul Islam, Om Prakash and R. K. Verma, New quantum codes from constacyclic codes over the ring R_{k,m}, Adv. Math. Commun. 15(5) (2020) doi:10.3934/amc.2020097. (American Institute of Mathematical Sciences)
 Habibul Islam, Om Prakash and Patrick Solè, On ℤ_{4} ℤ_{4}[u]additive cyclic and constacyclic codes, Adv. Math. Commun. 15(4) (2021), 737755, doi: 10.3934/amc.2020094. (American Institute of Mathematical Sciences).
 Shikha Patel and Om Prakash, Skew Repeatedroot bidimensional (μ,ν)constacyclic codes of length 4p^{t}2^{r}, Int. J. Inf. Coding Theory 5(34) (2020), 266289. (Inderscience)
 Habibul Islam and Om Prakash, Construction of reversible cyclic codes over Z_{pk}, J. Discrete Math. Sci. Cryptogr. (2020), 115, DOI : 10.1080/09720529.2020.1815341. (Taylor & Francis)
 Arindam Ghosh and Om Prakash, Jordan left {g, h}derivation over some algebras, Indian J. Pure Appl. Math. 51(4) (2020). (Springer)
 Om Prakash, Sushma Singh and K. P. Shum, On Almost Armendariz Rings, Algebra Colloq. 27(2) (2020), 199212. (Worldscientific)
 Habibul Islam, Ram Krishna Verma and Om Prakash, A family of constacyclic codes over F_{pm}[v,w]/<v^{2}1, w^{2}1, vwwv>, Int. J. Infor. Coding Theory 5(34) (2020), 198210. (Inderscience)
 Sushma Singh and Om Prakash, Armendariz Property with weakly semicommutativity, Southeast Asian Bull. Math. 44(2) (2020), 278296.( Southeast Asian Mathematical Society)
 Habibul Islam and Om Prakash, A class of constacyclic codes over the ring ℤ_{4}[u,v]/<u^{2}, v^{2}, uvvu> and their Gray images, Filomat, 33(8) (2019), 22382248.
 Habibul Islam, Om Prakash and Dipak Kumar Bhunia, Quantum codes obtained from constacyclic codes, Int. J. Theor. Phys. (11) (2019), 3945–3951 (September 2019) https://doi.org/10.1007/s1077301904260y. (Springer)
 Tushar bag, Habibul Islam, Om Prakash and Ashish K. Upadhyay, A note on constacyclic and skew constacyclic codes over the ring Z_{p}[u; v]/<u^{2}  u; v^{2}  v; uv – vu>, J. Algebra Comb. Discrete Struct. Appl. 6(3) (2019), 163172. (Dergipark).
 Arindam Ghosh and Om Prakash, New Results on generalized (m, n)Jordan derivations over semiprime rings, Southeast Asian Bull. Math. 43(3) (2019), 323331. ( Southeast Asian Mathematical Society)
 Habibul Islam and Om Prakash, A note on skew constacyclic codes over F_{q} + uF_{q} + vF_{q} , Discrete Math. Algorithms Appl. 11(3) (2019), 1950030(113). (Worldscientific)
 Habibul Islam and Om Prakash, Quantum codes from the cyclic codes over F_{p}[u, v,w]/<u^{2} − 1, v^{2} − 1,w^{2} – 1, uv − vu, vw − wv, wu – uw>, J. Appl. Math. Comput. 60(12) (2019), 625635 (Springer).
 H. Islam, T. Bag and Om Prakash, A class of constacyclic codes over ℤ_{4} [ u]/<u^{k}>, J. Appl. Math. Comput. 60(12) (2019), 237251 (Springer).
 Ravindra Kumar and Om Prakash, Divisor graph of the complement of Γ(R), AsianEur. J. Math. 12(1) (2019) Art. ID. 19500578. (World Scientific)
 Sushma Singh and Om Prakash, A note on lower nil MArmendariz ring, Cogent Mathematics & Statistics 5(1) (2018): Art. ID 1545411, 115. (Taylor & Francis)
 R. K. Mistri, R. K. Pandey and Om Prakash, A generalization of sumset and its applications, Proc. Indian Acad. Sci. (Math. Sci.) (2018) 128:55 (18), https://doi.org/10.1007/s1204401804379.
 Anshika Srivastava, R. K. Pandey and Om Prakash, Motzkin’s maximal density and related chromatic numbers, Unif. Distrib. Theory 13(1) (2018),2745.
 T. Bag, H. Islam, Om Prakash and A. K. Upadhyay, A study of constacyclic codes over ℤ_{4}[u]/<u^{2}3>, Discrete Math. Algorithms Appl. 10(4) (2018), 1850056 (110).
 Habibul Islam and Om Prakash, A study of cyclic and constacyclic codes over ℤ_{4} + u ℤ_{4} + v ℤ_{4} , Int. J. Inf. Coding Theory 5(2) (2018), 155168.
 Habibul Islam and Om Prakash, Skew cyclic and skew (uα_{1} + uα_{2} + vα_{3} + uvα_{4})constacyclic codes over F_{q} + uF_{q} + vF_{q} + uvF_{q}, Int. J. Inf. Coding Theory 5(2) (2018), 101116.
 Shalini Chandra, Om Prakash and Sheela Suthar, Some Properties of the Nilradical and Nonnilradical Graphs over Finite Commutative Ring Z_{n}, Algebra Discrete Math. 24(2) (2017), 181–190.
 Anshika Srivastava, R. K. Pandey and Om Prakash, On the maximal density of integral sets whose differences avoiding the weighted Fibonacci numbers, Integers 17(2017), Page No. A48(119).
 R. K. Mistri, R. K. Pandey and Om Prakash, Subset and Subsequence Sums in Integers, J. Comb. Number Theory 8(3) (2017), 207223.
 R. K. Saini, Atul Sangal and Om Prakash, A Comparative study of transportation problem for trapezoidal fuzzy numbers, Int. J. Appl. Eng. Res. (Scopus) 10(24) (Dec. 2015), 44105 44111.
 R. K. Mistri, R. K. Pandey and Om Prakash, Corrigendum to “Subsequence Sums: Direct and Inverse Problems” [J. Number Theory, 148 (2015) 235–256], J. Number Theory, 152 (2015), 204.
 Junesang Choi, Nidhi Shekhawat, Arjun K. Rathie and Om Prakash, On a new class of series identities, Honam Math. J. 37(3) (2015), 339352.
 Om Prakash, D. Sharma and P. Maheshwari, Certain generalized qoperators, Demonstr. Math. 48(3) (2015), 404412.
 R. K. Saini, Atul Sangal and Om Prakash, A Modified Method For Unbalanced Transportation Problems in Fuzzy Environment by Zero Suffix Method Via Robust Ranking Technique, Global J. Pure Appl. Math. (Scopus) 11(2) (2015), 9971011.
 R. K. Mistri, R. K. Pandey and Om Prakash, Subsequence Sums: Direct and Inverse Problems, J. Number Theory, 148 (March 2015), 235–256.
 Sheela Suthar and Om Prakash, Covering of line graph of zero divisor graph over ring Z_{n}, British Journal of Mathematics & Computer Science 5(6) (Jan. 2015), 728734.
 R. K. Saini, Atul Sangal and Om Prakash, Unbalanced Transportation Problems in FuzzyEnvironment using Centroid Ranking Technique, International Journal of Computer Applications 110(11) (Jan. 2015), 2733.
 Om Prakash and Kalpana, Generalised strongly prime ideals in near rings, Int. J. Contemp. Math. Sci. 9(13) (Nov. 19, 2014 online), 639 – 643.
 Atul Sangal, R. K. Saini and Om Prakash, Fuzzy transportation problems solving by Simplex type algorithms, Math. Sci. Int. Res. J. 1 (2) (2012), 885892.
 Kalpana and Om Prakash, On 2f primal ideals in near ring, Math. Sci. Int. Res. J. 1 (1) (2012), 93 99.
 D. Sharma, Om Prakash and P. Maheshwari, On the Miccelli Combinations of Modified Beta Operators, Proc. Jangjeon Math. Soc. 15(4) (2012), 437446.
 Om Prakash and Kalpana, A note on Prime Radicals in Gnear rings, Int. J. Algebra 5(21) (2011), 10211029.
 V. K. Bhat, Neeraj Nehra, Ajay Kaul, Ravi Raina & Om Prakash, Associated Prime Ideals of a Complete Lattice, Int. J. Contemp. Math. Sci. 2(16) (2007), 783786.
 V. K. Bhat, Ravi Raina, Neeraj Nehra & Om Prakash, A note on Zero Divisor Graph on Rings, Int. J. Contemp. Math. Sci. 2(14) (2007), 667671.
 V. K. Bhat, Ravi Raina, Neeraj Nehra & Om Prakash, A note on Derivations, J. Ind. Acad. Math. 29(1) (2007), 219222.
 V. K. Bhat, Ravi Raina & Om Prakash, Associated Prime Ideals of Enveloping Algebras: (Differential Operator Rings), Int. J. Contemp. Math. Sci. 2(9) (2007), 417421.
 V. K. Bhat, Ravi Raina & Om Prakash, Ore extensions over δrigid rings, Int. J. Contemp. Math. Sci. 1(12) (2006), 591  595.
List of Published Papers in Conference Proceedings:
 R. K. Verma, Om Prakash and A. Singh, Quantum codes from skew constacyclic codes over F_{pm}+vF_{pm}+v^{2}F_{pm}, Proceeding of ACCT2020 in IEEE Xplore by Bulgarian Academy of Sciences, Bulgaria, 156161.
 H. Islam, O. Prakash and R. K. Verma, Quantum codes from the cyclic codes over F_{p}[v,w/< v^{2}1, w^{2}1, vwwv, wuuw>, Springer Proceedings in Mathematics & Statistics 307 (2019), https://doi.org/10.1007/97898115115786.
 Sheela Suthar and Om Prakash, Energy and Wiener index of Total Graph over Ring Z_{n}, Electronic Notes in Discrete Mathematics 63 (2017), 485–495.
 Nidhi Shekhawat, Om Prakash and Arjun K. Rathie, On generalizations of two Ramanujan’s Summations, AIP Conf. Proc.1728, 020684 (2016); http://dx.doi.org/10.1063/1.4946735.
 Nidhi Shekhawat, A K Rathie and Om Prakash, On a quadratic transformation due to Kummer and its generalizations, AIP Conf. Proc. 1728,020683 (2016); http://dx.doi.org/10.1063/1.4946734.
 Atul Sangal, R.K.Saini and Om Prakash, “Comperative Study of Unbalanced Fuzzy Transportation Problem Using Generalized TriangularTrapezoidal Fuzzy Number” has been published in the Proceeding 3rd Lucknow Science Congress (LUSCON2015), Babasaheb Bhimrao Ambedkar University, Lucknow, October 31 November 1, 2015.
 Nidhi Shekhawat and Om Prakash, Generalization of a result involving product of generalized hypergeometric series due to Ramanujan, Int. J. Modern Physics: Conference Series, 22 (2013), 679685.
Best Paper Award in the conference:
 Ram Krishna Verma and Om Prakash, Constacyclic codes over finite nonchain rings, Best Oral Presentation Award to my student Ram Krishna Verma in the National Science Day Programme at IIT Patna on April 26, 2019.
 Habibul Islam and Om Prakash, Skew cyclic codes over F_{p}+u F_{p}+u^{2} F_{p}, Best Paper Award to my research student Habibul Islam in the UGC sponsored International Conference on Recent Advances in Mathematics and Scientific Computing organized by Department of Mathematics, M.U., Bodh Gaya, during September 1819, 2018.
 Anshika Srivastava, Om Prakash, R. K. Pandey, Distance graph with maximum chromatic number Best Paper Award in the Research Scholar Day at IIT Patna to my student Anshika Srivastava on March 17, 2018.
Paper presented/ Participated in the Conferences:
 Shikha Yadav and Om Prakash,LCD Some Constructions of lGalois LCD codes, in the 26th International Conference on Applications of Computer Algebra under session Computer Algebra in Coding Theory and Cryptography (CACT) during July 2327, 2021 (Virtual, Online).
 Shikha Patel and Om Prakash,FqRskew cyclic codes, in the 26th International Conference on Applications of Computer Algebra under session Computer Algebra in Coding Theory and Cryptography (CACT) during July 2327, 2021 (Virtual, Online).
 Shikha Yadav and Om Prakash, LCD Double circulant codes over F_{q}+u F_{q}+ v F_{q}, in the Research Scholar Day at IIT Patna, Bihta on March 20, 2021.
 Om Prakash and Habibul Islam, Mixed alphabets ℤ_{4} ℤ_{4} [u]additive cyclic and constacyclic codes and also chaired a session in the online National Conference on Pure and Applied Mathematics (NCPAM2021) organized at Department of Mathematics, NIT Manipur during March 67, 2021.
 Om Prakash and Habibul Islam, Constacyclic codes over an extension of ℤ_{4} and related quaternary codes in the National Conference on Recent Applications in Mathematical Sciences (NCRAMS2020) organized at Department of Mathematics, S. V. Degree and PG College, Jesus Nagar, Anantapur during December 2223, 2020.
 Om Prakash and Habibul Islam, Constacyclic Codes over rings and their application to quantum codes in the “XXIX Congress of APTSMS & National Conference on Mathematics and its Applications (NCMA2020) ” held at the Department of Mathematics, Mahatma Gandhi University, Nalgonda, T.S., during December 35, 2020.
 R. K. Verma, Om Prakash and A. Singh, Quantum codes from skew constacyclic codes over F_{pm}+vF_{pm}+v^{2}F_{pm}, in the 17th International Workshop on Algebraic and Combinatorial Coding Theory (ACCT2020), IMI, Bulgarian Academy of Sciences, Bulgaria during Oct. 1117, 2020 .
 Shikha Yadav and Om Prakash, LCD codes over F_{q}+u F_{q}, in the Research Scholar Day at IIT Patna, Bihta on March 7, 2020.
 Shikha Patel and Om Prakash, Skew Generalized Cyclic Codes over R[x_{1}, σ_{1}, δ_{1}] [x_{2}, σ_{2}, δ_{2}], in the Research Scholar Day at IIT Patna, Bihta on March 7, 2020.
 Habibul Islam and Om Prakash, New better quantum codes over the finite field of even characteristic, in the Research Scholar Day at IIT Patna, Bihta on March 7, 2020.
 Ram Krishna Verma and Om Prakash, Constacyclic codes over finite nonchain ring R_{k,m} and their applications of constructing new nonbinary quantum codes, in the Research Scholar Day at IIT Patna, Bihta on March 7, 2020.
 Shikha Patel and Om Prakash, Cyclic Codes over M_4(F_{2} + u F_{2}), in the International Conference on Recent Advances in Algebra, Analysis & Applications (ICRAAAA19), at Department of Mathematics & Statistics, Mohanlal Sukhadia University, Udaipur, during Dec. 2022, 2019.
 Ram Krishna Verma and Om Prakash, Structure of constacyclic codes over F_{2} + u F_{2} +v F_{2} +uv F_{2}, in the International Conference on Algebra and Related Topics with Applications (ICARTA19), at AMU Aligarh, from Dec. 1719, 2019.
 Om Prakash, Habibul Islam and Syamantak Das, A note on cyclic codes over the ring Z_{pk}, in the International Conference on Stochastic Processes and Algebraic Structures (SPAS 2019)  From Theory Towards Applications, Division of Applied Mathematics, Mälardalen University, Västerås, Sweden during September 30 to October 2, 2019.
 Habibul Islam and Om Prakash, Cyclic codes over the matix ring M_{3}(F_{2}), in Arbeitstagung Allgemeine Algebra(AAA98): 98th Workshop on General Algebra at Institut fur Algebra, Department of Mathematics, Technische Universitat Dresden, Dresden, Germany during June 2123, 2019.
 Om Prakash and Habibul Islam, Skew constacyclic codes over F_{q}[u, v]/< u^{2}1, v^{2}v, uvvu>, in Arbeitstagung Allgemeine Algebra(AAA98): 98th Workshop on General Algebra at Institut fur Algebra, Department of Mathematics, Technische Universitat Dresden, Dresden, Germany during June 2123, 2019.
 Ram Krishna Verma and Om Prakash, On constacyclic codes over finite nonchain rings, in the Research Scholar Day at IIT Patna, Bihta March 9, 2019.
 Habibul Islam, Om Prakash, Linear Complementary Dual codes over F_{p}[u, v]/< u^{2}1, v^{2}1, uvuv>, in the Research Scholar Day at IIT Patna, Bihta March 9, 2019.
 Om Prakash, invited talk on Applications of mathematics in coding theory and its utility in science and technology in the National Conference on Recent Trends in Research in Applied Sciences: An Interdisciplinary Approach (NCRTRAS 2018) Sponsored by Higher, Technical Education & Skill Development Department, Govt. of Jharkhand at GLA College, Medininagar, Palamu during Dec. 67, 2018.
 Ram Krishna Verma, Om Prakash and Habibul Islam, A note on constacyclic codes over F_{3}[u, v, w]/< u^{2}1, v^{2}1, w^{2}1, uvuv, vwwv, wuuw> in the International Conference on Recent Advances in Pure and Applied Mathematics at Department of Applied Mathematics, DTU, New Delhi during October 2325, 2018.
 Habibul Islam, Om Prakash and Ram Krishna Verma, Quantum codes from the cyclic codes over F_{p}[v, w]/< v^{2}1, w^{2}1, vwwv> in the International Conference on Recent Advances in Pure and Applied Mathematics at Department of Applied Mathematics, at DTU, Delhi during October 2325, 2018.
 Ram Krishna Verma, Om Prakash and Habibul Islam, A note on constacyclic codes over R= F_{q}[u_{1}, u_{2}, u_{3}, u_{4}]/< u_{i}^{2}1, u_{i}u_{j}u_{j} u_{i}> in the UGC sponsored International Conference on Recent Advances in Mathematics and Scientific Computing organized by Department of Mathematics, Magadh University, Bodh Gaya, during September 1819, 2018.
 Om Prakash and Arindam Ghosh, Invited Lecture delivered on Generalization of Jordan derivation over some algebras, in the UGC sponsored International Conference on Recent Advances in Mathematics and Scientific Computing organized by Department of Mathematics, Magadh University, Bodh Gaya, during September 1819, 2018.
 Habibul Islam and Om Prakash, Skew cyclic codes over F _{p}+u F _{p}+u^{2 }F _{p} in the UGC sponsored International Conference on Recent Advances in Mathematics and Scientific Computing organized by Department of Mathematics, Magadh University, Bodh Gaya, during September 1819, 2018.
 Sushma Singh and Om Prakash, Some results on power serieswise almost Armendariz rings, Arbeitstagung Allgemeine Algebra (AAA96): 96^{th} Workshop on General Algebra at Department of Mathematics, Univ. of Dermstadt, Dermstadt, Germany during June 0103, 2018 (presented by Sushma Singh).
 Om Prakash and Arindam Ghosh, Characterization of Jordan left {g, h}derivation over some algebras, Arbeitstagung Allgemeine Algebra(AAA96): 96^{th} Workshop on General Algebra at Department of Mathematics, Univ. of Dermstadt, Dermstadt, Germany during June 0103, 2018.
 Om Prakash, Invited lectures delivered on Generalization of Armendariz rings (March 26) and Application of skew polynomial rings in coding theory (March 27) in UGCSAP seminar on Algebra and Topology at Department of Mathematics, NEHU Shillong during March 2628, 2018.
 Anshika Srivastava, Om Prakash and R. K. Pandey, Distance graph with maximum chromatic number, Research Scholar Day at IIT Patna, Bihta March 17, 2018.
 Arindam Ghosh and Om Prakash, Jordan derivations and its extension on matrix algebras Research Scholar Day at IIT Patna, Bihta March 17, 2018.
 Ram Krishna Verma and Om Prakash, On the breadth of pgroups and nilpotent Lie algebras Research Scholar Day at IIT Patna, Bihta March 17, 2018.
 Arindam Ghosh and Om Prakash, A Note on Jordan Derivation over Algebra of Matrices in the International Conference on Linear Algebra and its Applications in cooperation with The Linear Algebra Society (ILAS) at Manipal University, Manipal during Dec. 1115, 2017.
 Anshika Srivastava, Om Prakash and R. K. Pandey, Some coloring parameters of integer distance graph, Research Scholar Day at IIT Patna, Bihta, March 5, 2017.
 Om Prakash, Generalized Armendariz Rings, invited talk in 32nd Annual Conference of The Mathematical Society, Banaras Hindu University on "Recent Trends in Mathematical Analysis and Its Applications" during February 1718, 2017.
 Sushma Singh, Om Prakash and Arindam Ghosh, Strongly Nil IFP in the International Conference of The Indian Mathematics Consortium (TIMC) in cooperation with The American Mathematical Society (AMS) at BHU, Varanasi during Dec. 1417, 2016.
 Arindam Ghosh, Om Prakash and Sushma Singh, A Note on Jordan Automorphism over Algebra of Upper Triangular Matrices in the International Conference of The Indian Mathematics Consortium (TIMC) in cooperation with The American Mathematical Society (AMS) at BHU, Varanasi during Dec. 1417, 2016.
 Ravindra Kumar, Om Prakash and R. K. Verma, Very Cost Effective Graph of G(Z_{n}) in the International Conference of The Indian Mathematics Consortium (TIMC) in cooperation with The American Mathematical Society (AMS) at BHU, Varanasi during Dec. 1417, 2016.
 Sheela Suthar and Om Prakash, Energy and Wiener index of Total Graph over Ring Z_{n} with Zero in the International Conference on Current Trends in Graph Theory and Computation at South Asian University, New Delhi during Sept. 1719, 2016.
 Sheela Suthar and Om Prakash, Energy and Wiener index of Total Graph over Ring Z_{n} without Zero in the International Conference on Recent Advances in Mathematics and Their Applications (ICRAMTA2016) at Department of Mathematics, University of Rajasthan, Jaipur during July 1012, 2016.
 Kalpana and Om Prakash, Genrealised prime ideals of rings presented paper in the 33^{rd} Ohio StateDension Mathematics Conference at the Ohio State University, Columbus, Ohio (U.S.A), May 1315, 2016.
 Sushma Singh and Om Prakash, Study of Armendariz Rings under Weakly IFP, Research Scholar Day at IIT Patna, Bihta Feb. 28, 2016.
 Anshika Srivastava, Om Prakash and R. K. Pandey, The Lonely Runner Conjecture with runners speed as some generalized Fibonacci numbers, Research Scholar Day at IIT Patna, Bihta Feb. 28, 2016.
 Nidhi Shekhawat, A K Rathie and Om Prakash, On a quadratic transformation due to Kummer and its generalizations, International Conference on Condensed Matter and Applied Physics, Department of Physics, Govt. Eng. College Bikaner during Oct. 3031, 2015 (presented by Nidhi Shekhawat).
 Nidhi Shekhawat, Om Prakash and Arjun K. Rathie, On generalizations of two Ramanujan’s Summations, International Conference on Condensed Matter & Applied Physics, Department of Physics, Govt. Eng. College Bikaner during Oct. 3031, 2015 (presented by Nidhi Shekhawat).
 Sushma Singh and Om Prakash, A note on reversibility over prime radicals, International Conference on Recent Trends in Mathematics, Department of Mathematics, Univ. of Allahabad during July 1012, 2015 (presented by Sushma Singh).
 Om Prakash, Strongly prime ideals and its extension in nearrings, invited talk (Parallel Sessions) in 24^{th} International conference on Nearrings, Nearfields and Related topics at Manipal Intitute of Technology, Manipal during July 512, 2015.
 Sushma Singh and Om Prakash, α3Armendariz rings, 24^{th} International conference on Nearrings, Nearfields and Related topics at Department of Mathematics, MIT, Manipal during July 512, 2015 (presented by Sushma Singh).
 Sheela Suthar and Om Prakash, The Zero divisor Graph of Z(p^{n})(q^{m}), International Conference on Advances in Mathematical Sciences 2015 at Khalsa College, Patiala during March 1921, 2015(Presented by Sheela Suthar).
 D. Sharma and Om Prakash, Approximation Properties of BetaBaskakov Operators, Conference on Advance Techniques & Devices in Mathematics & Physical Sciences (An International Meet) at SRM University, Delhi January 2325, 2015 (Presented by D. Sharma).
 Atul Sangal, R.K.Saini and Om Prakash “On Unbalanced Generalized Fuzzy Transportation Problem Using Heptagonal Fuzzy Numbers, presented in 17th International Conference of International Academy of Physical Sciences (CONIAPS XVII), University of Rajasthan, Jaipur, INDIA. January 1618, 2015.
 Sheela Suthar and Om Prakash, Adjacency matrix and energy of the line graph of the zero divisor graph over ring Z_{n}, in the National Meet of Research Students in Mathematical Sciences (NMRSMS) held at Department of Statistics, University of Jammu, Jammu from Dec. 812, 2014 (Sponsored by SERB, DST).
 Om Prakash and Sheela Suthar, Some properties of the nilradical and nonnilradical graphs associated to the zerodivisor graph of finite commutative ring Z_{n}_{, }in the International Congress of Mathematicians (ICM) 2014, held at Coex, Seoul, Korea from Aug. 1321, 2014 (Presented by self).
 R. K. Saini, Atul Sangal, Om Prakash, Generalized Vogel’s Approximation Method For Fuzzy Transportation Problems (ICMC068), International Conference on Modeling And Computing (ICMC2014), Organized by Babasaheb Bhimrao Ambedkar University, Lucknow, July 10 – 11, 2014.
 D. Sharma and Om Prakash, Some approximation properties of linear positive operators, 2nd National conference on Applications of Mathematics in Science, Technology and Management at SRM Smarak College of Engineering and Technology, Bareilly, Jan. 2425, 2014.
 Sheela Suthar and Om Prakash, Covering of Line Graph of Zero Divisor Graph over Commutative Ring Z_{n}_{,,} in the International Conference on Special Functions & Their Applications' (ICSFA 2013) and symposium on 'Applications in Diverse Fields of Engineering and Technology' held at Malviya National Institute Of Technology, Jaipur during Dec. 1315, 2013 (Presented by Sheela Suthar).
 Kalpana and Om Prakash, Some Results on Generalized Ideals in Near Rings in the National Seminar in Mathematical Sciences organised at Shri Mata Vaishno Devi University, Katra, J&K from March 22 24, 2013. (Presented by Kalpana).
 Om Prakash and Swati, A generalization on Prime Skew Rings in the 15 Annual conference of Society of Statistics, Computer and Applications organized at Banasthali University from Feb. 2426, 2013 (Presented by Swati).
 Kalpana and Om Prakash, A generalization of 2 primal ideals in Near rings in the 15 Annual conference of Society of Statistics, Computer and Applications organized at Banasthali University from Feb. 2426, 2013 (Presented by Kalpana).
 Participated and presented paper entitled Decomposability of Skew Polynomial Rings in the National Conference on Recent Developments in Mathematics and Related Areas organized by Department of Mathematics, Patna University, Patna Dec. 2123, 2012.
 Kalpana and Om Prakash, Generalised strongly prime ideals in near rings in the International Conference on Mathematics 2012 (ICMSCE2012) organised at Vijaywada, held from Sept. 1314, 2012 (Presented by Kalpana).
 Kalpana and Om Prakash, On 2fprimal ideals in Near Rings in the National Conference on Algebra and Analysis 2011 (ICMSCE2012) organised at Jalandhar, held from Feb. 46, 2011(Presented by Kalpana).
 Participated in the conference on Mathematics Education Trends and Challenges jointly organized by NISER Bhubaneswar and University of Hyderabad in Hyderabad from Aug. 19 21, 2011.
 Om Prakash, Treatment to congruences in ancient India, presented paper in the National Seminar on Mathematical Manuscripts in India, organised by National Mission for Manuscripts, New Delhi and Kundakunda Gyanpith, Indore held from March 27 29, 2011.
 Participated in the International Congress of Mathematicians in Hyderabad, India held from Aug. 19 27, 2010.
 Om Prakash, A generalisation of ideals in  near rings, presented in the National Seminar on Frontier of Mathematics and Applications at Calcutta Mathematical Society, Kolkata held from March 2728, 2010.
 Participated and a member of the organizing committee in the International Jubilee Conference on Discrete Mathematics sponsored by DST, Gov. of India at CMS, Banasthali University held from Jan. 11 13, 2009.
 Participated in the PreICM International Convention of Mathematical Sciences, sponsored by DST, Gov. of India and Gov. of Malaysia at Department of Mathematics, University of Delhi, New Delhi from Dec. 18 20, 2008.
 Participated in the International Conference on Vision and Mission of Women’s Universities in a Global Society at Banasthali University, Rajasthan (India) held from Nov. 11 13, 2008.
 Om Prakash, A note on Wilson’s theorem, presented in the International Conference on History & Heritage of Mathematical Sciences at Indore held from December 1619, 2004.

Poster Presentation 
: 
 Sheela Suthar and Om Prakash, A Note on Zero Divisor Graph of Polynomial Ring over Z_{n }in the 15^{th} Annual Conference of Society of Statistics, Computer and Applications organized at Banasthali University from Feb. 2426, 2013 (presented by Sheela Suthar).

Invited Talk: 
: 
 Invited talk delivered on Mathematics is Fun and Gateway in the Regional mathematics fair/ Workshop at Radiant International School, Khagaul, Patna on Jan. 20, 2022.
 Invited talk delivered on To inspire mathematicians to take up high end research in the field of Mathematics in the National Conference on National Mathematics Day2021 organized by Bihar Mathematical Society and DST Bihar on Dec. 23, 2021.
 Invited talk delivered on Some Applications of Abstract Algebra in Coding and Cryptography o the occasion of 134th Birth Anniversary of Srinivasa Ramanujan at the Mahatma Gandhi Central University, Motihari, Bihar, on Dec. 22, 2021.
 Invited talk delivered on Some Applications of Abstract Algebra in the Mathematical Week on Memory of 134th Birth Anniversary of Srinivasa Ramanujan, Govt. Girls' P.G. College, Ujjain, on Dec. 22, 2021.
 Invited talk delivered on Basic of Algebraic Coding Theory in the eShort Term Training Programme on Algebra and Analysis at SRM Institute of Science and Technology, SRM Nagar, Kattankulathur, Tamilnadu during Dec. 1318, 2021.
 Invited talk delivered on Opportunities in Mathematics in the Online Regional Workshop of Indian Women and Mathematics: Research and Opportunities (IWMRO2021) at Department of Mathematics, IIT Patna during Dec. 45, 2021.
 Invited talk delivered on Achievements in Science and Technology of India in Applied Sciences during the event is planned by the Government of India– “Azadi ka Amrit Mahotsav” at Amity Institute of Applied Sciences, Amity University, Noida on Nov. 18, 2021.
 Invited talk delivered on Codes over some finite rings in the webinar at Department of Mathematics, School of Applied Sciences, REVA University, Bangaluru on Sept. 20, 2021.
 Invited talk delivered on Skew Polynomial rings in Quantum Computing in AICTE sponsored five days FDP on The Impact of Quantum Computing on Cryptography and Blockchain Technology at Department of Mathematics, GITAM University, Hyderabad on Sept. 14, 2021.
 Resource person and delivered a series of lectures on Algebraic Coding Theory and uses of MAGMA software Sponsored FDP Webinar MTRAAM2021 by AICTE Training and Learning Academy ATAL at Department of Mathematics and Scientific Computing, MMMUT, Gorakhpur on Aug. 17, 2021.
 Invited talk for the school students of Sheohar district, Bihar on Relations and Functions under the banner of Bihar Mathematical Society, Patna on Aug.01, 2021.
 Invited talk for the school students of Nalanda district, Bihar on Basic Set Theory under the banner of Bihar Mathematical Society, Patna on July 24, 2021.
 Resource person and delivered an invited talk on Mixed alphabets ℤ_{4} ℤ_{4} [u]additive cyclic and constacyclic codes and also chaired a session in the online National Conference on Pure and Applied Mathematics (NCPAM2021) organized at Department of Mathematics, NIT Manipur from March 67, 2021.
 Resource person and delivered an invited talk on Constacyclic codes over an extension of ℤ_{4} and related quaternary codes on December 23, 2020 in the National Conference on Recent Applications in Mathematical Sciences (NCRAMS2020) organized at Department of Mathematics, S. V. Degree and PG College, Jesus Nagar, Anantapur from December 2223, 2020.
 Resource person and delivered Endowment Lecturer on “Constacyclic Codes over rings and their application to quantum codes” in the “XXIX Congress of APTSMS & National Conference on Mathematics and its Applications (NCMA2020) ” held at the Department of Mathematics, Mahatma Gandhi University, Nalgonda, T.S, during December 35, 2020.
 Resource person and delivered a lecture on Applications of Algebra in Coding Theory in a Webinar organized at Department of Mathematics and Industry Readiness Cell, Bhagalpur College of Engineering, Bhagalpur under TEQIP III fund on September 24, 2020.
 Resource person and delivered a series of lectures on Introduction to Algebraic Coding Theory and MAGMA Computations in TEQIPIII Sponsored FDP Webinar on MTRAM2020 at Department of Mathematics and Scientific Computing, MMMUT, Gorakhpur on September 23, 2020.
 Resource person and delivered a series of lectures on Some applications of Algebra in Coding Theory in FDP entitled Recent Advancements in the Field of Physical Sciences organized by Rajasthan Technical University at Jaipur Engineering College, Jaipur on August 8, 2020 under TEQIP III fund.
 Resource person and delivered a lecture on Applications of Algebra in Coding Theory in a Webinar organized at Department of Mathematics and Industry Readiness Cell, Gaya College of Engineering, Gaya under TEQIP III fund on August 07, 2020.
 Resource person and delivered a lecture on Applications of Mathematics in information communications on August 02, 2020 at Department of Applied Sciences, Government Polytechnic College Purnia, Purnia via online platform.
 Resource person and delivered a series of lectures on Some applications of Algebra in Coding Theory on July 24, 2020 in the One week National Level online Faculty Development Program on Mathematical Elements in Engineering & Applied Sciences at GVPCEW, Visakhapatnam from July 2125, 2020.
 Resource person and delivered a series of lectures on Fundamental of Algebraic Coding Theory in a Special Symposia on Discrete Mathematics jointly organized by CHRIST University, Banglore and SVYASA University, Banglore at Department of Mathematics, CHRIST University, Bangaluru on, Jan. 19, 2020.
 Om Prakash and Habibul, an invited talk on On reversible cyclic codes over the ring Zpk, as well as chaired a session in the International Conference on Algebra and Related Topics with Applications (ICARTA19), at AMU Aligarh, from Dec. 1719, 2019.
 A resource person and delivered an invited talk on Introduction to ΓNear Rings as well as chaired a session in the UGC sponsored twodays national seminar on Rings and NearRings with special emphasis on Gamma NearRing Theory (NWRN2019) at Department of Mathematics, Acharya Nagarjuna University, Nagarjuna Nagar, AP during November 2930, 2019.
 Resource person and delivered a series of lectures on Applications of Algebra in Information and Technology on September 21, 2019 in the Induction Program as per the guidelines of AICTE under TEQIP III fund organized by Gaya College of Engineering, Gaya from September 930, 2019.
 Resource person and delivered a series of lectures on Applications of Algebra in Coding Theory for 2 days in a 5 days’ workshop on Mathematics and its use organized by Department of Mathematics, NIT Manipur from September 610, 2019 under TEQIP III fund.
 Om Prakash and Habibul, an invited talk in Some new quaternary codes as the Gray images of constacyclic codes over the ring Z_{4}[u, v]/< u^{2}, v^{2}, uvvu>, in the 4^{th} Alterman ConferencecumWorkshop on Computational & Geometric Algebra, and Workshop on Kähler Calculus, at MIT Manipal University, Manipal from July 813, 2019.
 Om Prakash and Ravindra Kumar, an invited talk as a keynote speaker on A study of the divisor graphs over a local ring R, in the two days national seminar on Applications of Graph Theory to promote interdisciplinary and multidisciplinary research Theory at Sushil Kar College, Ghoshpur, Kolkata, April 2627, 2019.
 Om Prakash, invited talk on Applications of mathematics in coding theory and its utility in science and technology in the National Conference on Recent Trends in Research in Applied Sciences: An Interdisciplinary Approach (NCRTRAS 2018) Sponsored by Higher, Technical Education & Skill Development Department, Govt. of Jharkhand at GLA College, Medininagar, Palamu during Dec. 67, 2018.
 Om Prakash and Arindam Ghosh, Invited Lecture delivered on Generalization of Jordan derivation over some algebras, as well as chaired a session in the UGC sponsored International Conference on Recent Advances in Mathematics and Scientific Computing organized by Department of Mathematics, Magadh University, Bodh Gaya, during September 1819, 2018.
 Invited Lecture delivered on Fundamental of Algebraic Coding Theory for B. Tech., M. Tech. I year, Ph. D. students and Faculties at Bhagalpur College of Engineering on, July 7, 2018.
 Invited Lecture delivered on Rings, Modules and Coding Theory for M. Sc. I year, M. Sc. II year, Ph. D. students and Faculty at Central University of Punjab, Bathinda on April 27, 2018.
 Invited Lecture delivered on Rings, Modules and its applications for M. Sc. I year, M. Sc. II year and Ph. D. students at Manipur University, Imphal on March 31, 2018.
 Invited Lecture delivered on Applications of Algebra in Coding Theory for M. Sc. and Ph. D. students, NIT Manipur on March 28, 2018.
 Invited as a resource person and delivered a lecture on Introduction to Rings and Modules in the Refresher Course in Mathematics and Statistics at Department of Mathematics, Patna University, Patna, August 5, 2017.
 Invited lectures on Introduction to Graph Theory in ISTE approved Short Term Training Program on Discrete Mathematics & Mathematical Modeling at the Department of Computer Engineering and Information Technology, Zeal College of Engineering and Research, Pune, during June 6 10, 2017.
 Invited as a resource person and delivered a series of lectures in the Training Programme in Mathematics 2017 (for level3) for four weeks (May 22 to June 5, 2017) held at NISER, Bhubaneswar from May 22 June 16, 2017.
 Invited lecture on Introduction to Cryptography at the Department of Mathematics, Magadh University, Bodh Gaya during a visit to participate in the meeting of confirmation on March 25, 2017.
 Invited as a resource person and delivered a series of lectures in the Training Programme in Mathematics 2016 (for level3) for four weeks (May 24 to June 18, 2016) held at NISER, Bhubaneswar from May 24 June 6, 2016.
 Invited as a resource person and delivered a series of lectures in the Refresher Course on Computer Applications (Interdisciplinary) on Basic of Mathematics and its applications in Computer Science from May 16 17, 2016 held at University of Kota, Kota from May 11  31, 2016.
 Invited Lecture delivered on Golden Ratio for the students of 11^{th} and 12^{th} classes in the Regional Level Science Congress" during Nov. 2126, 2015 at JNV Bikram on Nov. 23, 2015.
 Invited as a resource person and delivered a series of lectures in the Training Programme in Mathematics 2015 (for level3) for two weeks (May 26 to June 06, 2015) held at NISER, Bhubaneswar from May 25 June 20, 2015.
 Invited Lecture delivered on Introduction to Rings & Modules for M. Sc. I year, M. Sc. II year and Ph. D. students of University of Rajasthan, Jaipur on April 20, 2015.
 Two Invited Lectures delivered on Chinese Remainder Theorem for M. Sc. I year and Skew Polynomial Rings for M. Sc. II year, Ph. D. students of Banasthali Vidyapith, Banasthali on April 18, 2015 and April 19, 2015 respectively.
 Participated in the conference on Education Interfaces between Mathematics and Industry held from Jan. 2324, 2014 at Institute of Chemical Technology, Mumbai as one of panelists on the theme: Role of Technology in Mathematics.
 Invited talk on Congruence relation and its some of applications in INSPIRE Science Camp at HNB University, Srinagar, Garhwal on Jan. 12, 2014 (Jan.1115, 2014).
 Invited talk on Introduction to Cryptography in INSPIRE Science Camp at KVK, Banasthali University, Banasthali, Rajasthan on November 17, 2013 (Nov. 1519, 2013).
 Delivered a Keynote Talk on Public Key Cryptography in a workshop SANGAM 2013 at Geetanjali Institute of Technical Studies, Udaipur, Rajasthan organised from Sept. 16 17, 2013.
 Delivered a series of lectures on Algebra at Centre of Mathematical Sciences, Banasthali University, Banasthali for M. Phil. and Ph. D. students from Feb. 16 24, 2013.
 Delivered a series of lectures on Rings and modules for the students of PG and Ph. D. at the Department of Mathematics, Banasthali Vidyapith during May 814, 2012.
 Delivered a lecture entitled Golden Ratio: The World’s Most Astonishing number in the INSPIRE Science camp organised at KVK, Banasthali Vidyapith during Feb 2428, 2012.

Reviewer of the manuscripts of the journals 
: 
 AMS Mathematical Reviews with Reviewer Number: 116551(Linear algebra and its Applications, Linear and Multilinear Algebra, Communications in Algebra, Journal of Algebra, Discrete Mathematics etc.);
 Journal of Applied Mathematics and Computing (Springer);
 Computational and Applied Mathematics (Springer);
 Cryptography and Communications (Springer);
 Mathematics in Computer Science (Springer);
 Journal of Algebra and its Applications (World Scientific);
 Algebra Colloquium (World Scientific);
 AsianEuropean Journal of Mathematics (World Scientific);
 Advances in Mathematics of Communication;
 Journal of Discrete Mathematical Sciences and Cryptography;
 Italian Journal of Pure and Applied Mathematics (Udine, Italy) ;
 Southeast Asian Bulletin of Mathematics;
 Asian Journal of Mathematics and Computer Research;
 MathLAB Journal.
 Defence Science Journal.

External examiner 
: 
 Jury member in the Science Exhibition and Project Competition 2021 Evaluation Committee at Foundation Academy, IIT Patna, Bihta on March 4, 2021.
 Jury member in the 7th state Level Science Exhibition and Project Competition for the modification for the projects of Winners of State Level by BMSP Patna on Oct. 67, 2017.
 Jury member in the 6th state Level Science Exhibition and Project Competition for the modification for the projects of Winners of State Level by BMSP Patna on November 1617, 2016.
 Examiner of M. Phil. Dissertation and VivaVoce at Central University of South Bihar, Patna in August 29, 2016.
 Examiner of Thesis of Integrated M. Tech. Mathematics and Computing at IIT ISM Dhanbad on May 4, 2016
 Jury member to evaluate INSPIRE Award Scheme to the students of Bihar organised by DST (Bihar) during Nov. 1113, 2014;
 External member of the Board of Examiners at Central University of Bihar;
 Examine Seven Ph. D. Theses and conducted VivaVoce as an external expert;
 External Examiner to conduct the practical examination(s) of M.Sc. Pure Maths 4th Semester Research Paper (Presentation & Viva) of Algebra & Differential Geometry Examination May 2013;
 External member of the Board of studies in Mathematics, Manipal University, Jaipur 2012;
 Paper Setter, Examiner and external of Banasthali University, Central University of Rajasthan, University of Rajasthan Jaipur, Kota University Kota, Bhopal University, Samphalpur University and NIT Patna, Patna.

Membership of the professional Body 
: 
 Lifetime Member of the Indian Science Congress Association, Kolkatta (Membership No.: L13648).
 Lifetime Member of the Calcutta Mathematical Society, Kolkata.
 Lifetime Member of the Indian Mathematical Society, Pune (Registration No. S550, New Delhi).
 Lifetime Membership of the Ramanujan Mathematical Society, Chennai (Membership No.: 1452).

Seminars / Workshops Participated: 
: 
 Participated in the National Workshop on Inventory Modeling sponsored by DST, Gov. of India at CMS, Banasthali University held from Mar 4 7, 2011.
 Participated in the National Workshop on Block Designs and their Applications sponsored by DST, Gov. of India at CMS, Banasthali University held from Feb. 5 8, 2011.
 Participated in the National Workshop on Discrete Mathematics sponsored by DST, Gov. of India at CMS, Banasthali University held from May 1 5, 2010.
 Participated in the Workshop on LaTeX and Other Open Source Software sponsored by DST, Gov. of India, New Delhi at CMS, Banasthali University held from March 2527, 2010.
 Participated in the Advanced Training School in Mathematics for Lecturers in Algebra and Number Theory, sponsored by NBHM, at Department of Mathematics, Panjab University, Chandigarh held from Dec. 1531, 2009.
 Participated in the seminar on Time Series Modeling sponsored by DST, Gov. of India at CMS, Banasthali University held from Oct. 3 6, 2009.
 Participated in the PreConference Workshop on Discrete Mathematics sponsored by DST, Gov. of India at CMS, Banasthali University held from Jan. 6 10, 2009.
 Participated in the Training Programme on Optimization and Its Applications sponsored by DST, Gov. of India at CMS, Banasthali University held from Dec. 24 29, 2008.
 Participated in the National Workshop on Bayesian Techniques & Applications sponsored by DST, Gov. of India at CMS, Banasthali University held from Oct. 17, 2008.
 Participated in the National Workshop on Topological Dynamics, Differential Equations and Applications at CRR Advanced Institute of Mathematics, Statistics & Computer Science, University of Hyderabad, Hyderabad, sponsored by DST, held from March 11to 15, 2008.
 Participated in the Advanced Training for Mathematics Lecturers on Real Analysis at Ramanujan center for Higher Mathematics, Alagappa University, Karaikudi, sponsored by NBHM, held from June 4 to 16, 2007.
 Participated in the two weeks training program on Stochastic Process Modelling: Concepts, Theory and Applications, sponsored by DST during Dec. 2 to 15, 2006.
 Participated in the Advanced Training School for Mathematics Lecturers on Multivariate Calculus at Pune University held from Nov. 6  18, 2006.
 Participated in the National Seminar on Recent Trends in Combinatorics and its Applications at Banasthali Vidyapith held from March 56, 2006.
 Participated in the Instrunctional Workshop & International conference on Recent Advances in Operator Theory & Operator Algebras III at ISI & IISc Bangalore held from December 1222, 2005.
 Participated in the Workshop on the Qualitative Theory of Ordinary Differential Equations at Pune University, Pune held from November 2327, 2004.

Training Programme/ Camp organised 
: 
 Jointly organized (with Dr. A. K. Upadhyay) two weeks Instructional School for Teachers for faculty of Mathematics at different universities, sponsored by National Board of Higher Mathematics at Department of Mathematics, IIT Patna during May 113, 2017.
 Organised two weeks Mini Mathematics Training and Talent Search Programme (Mini MTTS) for undergraduate students of Mathematics, sponsored by National Board of Higher Mathematics at Department of Mathematics, IIT Patna during June 921, 2014.
 Organising Secretary of INSPIRE Science Camp for 11^{th} and 12^{th} students of Rajasthan sponsored by DST, Gov. of India at Banasthali University from May 913, 2011.
 Coordinator of the Special Training Programme in Mathematics for class 12^{th} students supported by Banasthali University at Banasthali.
 Local coordinator and organising secretary of the Mini MTTS Programme for graduate students of Rajasthan region organized at Banasthali University supported by NBHM from Dec. 18 24, 2010.

Member of the Advisory Committee/ Organizing Committee/ Programme Committee:14 
: 
 Member of the Advisory Committee in the UGC sponsored twodays national Rings and NearRings with special emphasis on Gamma NearRing Theory (NWRN2019) at Department of Mathematics, Acharya Nagarjuna University, Nagarjuna Nagar, AP during November 2930, 2019.
 Member of the Advisory Committee in the CAIRIA 2019 at Department of Computer Science and Engineering, Amity University, Lucknow, Jan 3031, 2019.
 Member of the Technical Programme Committee in the International Conference on Discrete Mathematics and Computer Mathematics (DMCM 2018) organized in Chongqing, China during September 1517, 2018.
 Member of the Advisory Committee in the UGC sponsored International Conference on Recent Advances in Mathematics and Scientific Computing organized by Department of Mathematics, Magadh University, Bodh Gaya, during September 1819, 2018.
 Member of the Advisory Committee of the CAIRIA 2018 at Department of Computer Science and Engineering, Amity University, Lucknow, March 1415, 2018.
 Member of the Advisory Committee of the CATDMP (An International Meet) 2015 at SRM University, Delhi January 2325, 2015.
 National Workshop on Inventory Modeling held from Mar. 4 7, 2011.
 National Workshop on Block Designs and their Applications held from Feb. 58, 2011.
 National Workshop on Discrete Mathematics held from May 1 5, 2010.
 Workshop on LaTeX and Other Open Source Software held from March 2527, 2010.
 Seminar on Time Series Modeling held from Oct. 3 6, 2009.
 International Jubilee Conference on Discrete Mathematics held from Jan. 11 13, 2009.
 PreConference Workshop on Discrete Mathematics held from Jan. 6 10, 2009.
 Training Programme on Optimization And Its Applications held from Dec. 24 29, 2008.
 National Workshop on Bayesian Techniques & Applications held from Oct. 17, 2008.
 Two weeks training program on Stochastic Process Modelling: Concepts, Theory and Applications, during Dec. 2 15, 2006.
(These all Programmes from (vii) to (xvi) sponsored by DST and other agencies of Govt. of India organised at CMS, Banasthali Vidyapith)

Workshop/ Seminar organised under NSS at IIT Patna 
: 
 Coordinator of the organised Workshop on “SPORTS FOR LIFE” at IIT PATNA on Aug 18, 2013.
 Coordinator of the organized four Blood Donation Camps under Banner of NSS, IIT Patna on Aug. 06, 2013, Jan. 18, 2014 and Aug. 06, 2014 and Oct. 12, 2015.
 Awareness Programme on World’s Cancer Day organised by IIT Patna under banner of NSS on Feb. 4, 2014.
 Coordinator of the organised NSS Programme on “National Youth Policy and Rajiv Gandhi Khel Abhiyan 2014” at IIT PATNA on Feb. 24, 2014.
 IIT Patna celebrated the 1^{st} International Day of Sports and Physical Activity by organizing some sports events under my supervision on April 04, 2014.
 Coordinator of the Marathon organised at our permanent Campus Bihta on Nov. 9, 2014.
 IIT Patna celebrated the International Women’s Day on March 08, 2015. Some activities like three lectures on Women empowerment, Debate and Quiz were organised under my coordinatorship.

Administrative and other Responsibility at IIT Patna 
: 
 Head Department of Mathematics from March 10, 2019 to Oct. 31, 2021;
 Member of the institute Senate from 2016;
 Member of Departmental Academic Programme Committee Jan. 2012;
 Member of Departmental Shortlisting Committee for Assistant Professor from June 2012;
 Member of Cultural Committee from Nov. 14, 2012 to Dec. 31, 2015, April 2017 to April 2019;
 Member of B. Tech., B. S. & M. Tech. curriculum development committee in the department;
 Member of M. Tech. & Ph. D. admission committee;
 Member of the Advisory Committee of NSS from Jan. 20162019;
 General Secretary IIT Patna Club from Jan. 4, 2012 to Jaly 22, 2018;
 Member of the Convocation committee, Convener Hospitality & Reception of invited guests 2016;
 Departmental M. Sc. Coordinator Jan. 2016 Feb. 2019;
 Member of Departmental Purchase Committee Jan. 2016 to Dec. 2017, Mar. 2019 continuing;
 Coordinator NSS with effect from July 1, 2013 to Dec. 31, 2015;
 Chairman Sports with effect from July 1, 2013 to Dec. 31, 2014;
 President Students Gymkhana from July 1, 2013 to Dec. 31, 2014;
 Associate Warden of Aryabhatta Hall with effect from Jan. 25, 2012 to Dec. 31, 2013;
 Treasurer, Students Gymkhana with effect from Nov. 14, 2012 to Nov. 2013;
 Member stock verification team in the Dept. of Computer Science Engineering and Computer Centre (Equipment and Lab furniture) and Boy’s hostels’ Equipment and furniture( including mess) in 2012 and 2013 ;
 Member of the committee constituted for making directives for declaring the items for condemnation;
 Member of the Committee to recruit Junior Assistant 2012;
 Member of the Committee to recruit Physical Training Instructor 20132014;
 Member of the committee for making Information Brochure for fresher’s and organising Nebula 2012 and 2013;
 Member of the committee to procure furniture for hostels 2012 and 2013;
 Member of Anti Ragging team 20122018 ;
 Member of M. Tech. curriculum development committee 2012;
 Member of Doctoral Committee of 16 Ph. D. students.


