Mechanical Engineering

Dr. Somnath Sarangi
Somsara  
Dr. Somnath Sarangi
Associate Professor
Ph.D, IIT Kharagpur
Ph: +91-612-302 8026
Fax: +91-612-227 7383
somsara[*AT]iitp.ac.in
Research Areas :
  • Continuum Mechanics
  • Soft Tissue Mechanics
  • Bio-mechanics
  • Non-linear Solid Mechanics
  • Vibration
  • Non-linear Dynamics
  • Constitutive Modelling
  • Condition Monitoring
  • Signal-based Fault Diagnosis
Ph.D. Students (Ongoing) :
Chandan
Chandan Kumar
Research Area: Dynamics and Vibration of Journal Bearing System.		 Moonim
Md. Moonim lateefi
Research Area: Stability Analysis of Hyperelastic Thin Shell under Large Deformation.		 Vikash Kumar
Vikash Kumar
Research Area: Mathematical Modelling and Fault Diagnosis of Motor-Gearbox System
Subrata
Subrata Kumar Behera
Research Area: Continuum Mechanics		 Sanjeev
Sanjeev Kumar
Research Area: Gearbox Fault Diagnosis		 Rashi Aditi Ranjan
Rashi Aditi Ranjan
Research Area: Non-linear Dynamics and Control
Ph.D Students (Awarded) :
Firozut
Dr. Firozut Tauheed
Current affiliation: Assistant Professor at Maulana Azad College of Engineering and Technology		 Alok
Dr. Alok Verma
Current affiliation: Scientist II, Agency for Science, Technology and Research, Singapore		 Deepak
Dr. Deepak Kumar
Current affiliation: Assistant Professor at Department of Mechanical Engineering NIT Bhopal
kritia
Dr. Kriti Arya
Current Affiliation: Assistant Professor, Mathematics, VIT Chennai		    
M.Tech students (Ongoing) :
  • Dipak Gupta (2022-2023 )
M.Tech students (Graduated) :
  • Ayush Rai (2019-2020)
  • Anurag Kumar (2019-2020)
  • Chandan P U (2020-2021)
  • Abhishek Kumar (2020-2021)
  • Shubham Wasnik (2021-2022)
  • Shubhranshu Ranjan Sharma (2021-2022)
Professional Experience :
  • Two and half years of industrial experience
Awards & Honours :
  • National Scholarship
Teaching :
  • Engineering Mechanics ME 101
  • Solid Mechanics ME 201
  • Mechanical Measurements ME 302
  • Dynamics of Machinery  ME 308 
  • Electronic Instrumentation EE 370
  • Engineering Mechanics (ME101)
  • Solid Mechanics
  • Applied Analytical Methods in Engineering

B.Tech Open Elective/ M.Tech Course

  • Biomechanics and Biomechatronics ME 581
  • Introduction to Biomechanics ME 481

M.Tech Course:

  • Modeling and Simulation of Mechatronic Systems SE504

Ph.D Courses:

  • Analytical Methods in Engineering ME 768
  • Nonlinear Elasticity and Fracture Mechanics ME 721

Laboratory Courses:

  • Engineering Drawing ME111 ( Laboratory part)
  • Mechanical Engineering Laboratory- II ME 310
  • Mechanical Engineering Laboratory III ME 311
  • Mechanical Engineering Laboratory IV ME 411
  • Mechatronic Laboratory-I SE505
  • Mechatronic Laboratory-II SE506
Laboratory Development : Developed Dynamics of Machines Laboratory from scratch
  • Procurement of Equipment
  • Fabrication of Equipment
  • Train the JTS
  • Preparation of Laboratory Manual for various courses

Developed Instrumentation and Control Laboratory from scratch

  • Procurement of Equipment
  • Train the JTS
  • Preparation of Laboratory Manual for various courses
Other Interests :
  • Soft-tissue Mechanics, Vibration
Sponsored Projects :
Sr. No.Project TitlePrincipal Investigator/ Co- PISponsored byAmount Sanctioned Rs.Duration
1 Inelastic Effects in Elastomers- Theoretical and Experimental Study PI- Dr. Somnath Sarangi 15,07,000 September 2010- September 2013
2 Immersed boundary simulation of low Reynolds number flow over oscillating airfoils PI- Dr. Somnath Roy

Co-PI- Dr. Somnath Sarangi		 AERONAUTICS R&D BOARD 24,21,000 January 2014- January 2017
3 Technical Tieup for Cluster Development PI- Dr. Somnath Roy

PI- Dr. Somnath Sarangi

PI- Dr. S. S. Panda		 Government of Bihar 5,40,000 December 2014- April 2015
4 Technology Gap Analysis Study for the Rice Milling Cluster in Lakhisaria, Bihar PI- Dr. Somnath Sarangi

Co-PI- Dr. Somnath Roy		 DST- TIFAC 7,50,000 January 2015- May 2015
5 Technology Gap Analysis Study for the Rice Milling Machinery Cluster in Raxaul, Bihar PI- Dr. Somnath Roy

Co-PI- Dr. Somnath Sarangi		 DST- TIFAC 7,50,000 January 2015- May 2015
6 Technology gap analysis for combined study proposal for the following clusters : copper & bronze utensils clusters, Mahua, Vaishali, Brass & German Silver utensils cluster – Majhualia, Bettiah, Brass & Bell Metal cluster – Mahisadel, Purba, Medinipur, West Bengal. PI: Dr. Somnath Sarangi,
Co-PI: Dr. Somnath Roy,
Dr. P. Saha		 DST- TIFAC 23,76,000 August 2016- till Continue
7 Technology Gap Analysis Study for Jhula Cluster, Kanhaiyaganj, Nalanda PI: Dr. Somnath Sarangi,
Co-PI: Dr. S. S. Panda		 DST- TIFAC 10,23,000 August 2016- till continue
8 Scheme of MSME Ministry, GoI for Bishnugarh Brass and Bronze Cluster, Hazaribag, Jharkhand PI: Dr. Somnath Sarangi, Co-PI: Dr. S. S. Panda,
Dr. S. K. samanta		 Ministry of MSME 19,00,000 April 2022- April 2023

Consultancy Project

1 To determine the fault features of Faulty Bearings of Induction Motor from Current signal and Power Factor Signal at low sampling rate PI: Dr. Somnath Sarangi Prophecy Sensorlytics India Private Limited

a subsidiary of Prophecy Sensorlytics Inc, USA.		 1,00,000 03.10.2016 – 03.11.2016
(Completed)
2 Frequency Based Vibration Analysis PI: Dr. Somnath Sarangi Prophecy Sensorlytics India Private Limited

a subsidiary of Prophecy Sensorlytics Inc, USA.		 2,00,000 12.02.2018 – 12.04.2018
(Completed)
Publications : Journal Publications:

SCI Journals

  • Arya, K., Kumar, D., & Sarangi, S. (2022). Free radial oscillations of an actuated cylindrical tube. Mechanics of Advanced Materials and Structures, 1-11.   Impact factor (2022) – 3.338, h-index (2022) - 55
  • Kumar, C., & Sarangi, S. (2022). Dynamic behavior of self-acting gas-lubricated long journal bearing. Mechanics Research Communications, 124, 103950.  Impact factor (2022) - 3.123, h-index (2022) - 54
  • Kumar, V., Mukherjee, S., Verma, A. K., & Sarangi, S. (2022). An AI-Based Nonparametric Filter Approach for Gearbox Fault Diagnosis. IEEE Transactions on Instrumentation and Measurement, 71, 1-11. Impact factor (2022) - 5.332, h-index (2022) – 128
  • Behera, S. K., Kumar, D., & Sarangi, S. (2022). Constitutive modeling of damage-induced stress softening in electro-magneto-viscoelastic materials. Mechanics of Materials, 104348. Impact factor (2022) – 4.137, h-index (2022) - 112
  • Kumar, D., & Sarangi, S. (2022). Constitutive modeling of an electro-magneto-rheological fluid. Scientific Reports, 12(1), 1-12. Impact factor (2022) - 5.133, h-index (2022) - 213
  • Kumar, D., Yadav, V., & Sarangi, S. (2022). Modeling and analysis of an electro-magneto-elastic rotating cylindrical tube actuator. Journal of Intelligent Material Systems and Structures, 1045389X211072188. Impact factor (2022) – 2.172, h-index (2022) - 118
  • Kumar, D., & Sarangi, S. (2021). A novel class of universal relation for incompressible isotropic electro-viscoelastic materials. Mechanics Research Communications, 117, 103784. Impact factor (2022) – 2.749, h-index (2022) - 71
  • Kumar, V., Kumar, A., Kumar, S., & Sarangi, S. (2022). TVMS calculation and dynamic analysis of carburized spur gear pair. Mechanical Systems and Signal Processing, 166, 108436. Impact factor (2022) – 8.934, h-index (2022) - 180
  • Kumar, V., Rai, A., Mukherjee, S., & Sarangi, S. (2021). A Lagrangian approach for the electromechanical model of single-stage spur gear with tooth root cracks. Engineering Failure Analysis, 129, 105662. Impact factor (2022) – 3.634, h-index (2022) - 82
  • Behera, S. K., Kumar, D., & Sarangi, S. (2021). Modeling of electro–viscoelastic dielectric elastomer: A continuum mechanics approach. European Journal of Mechanics-A/Solids, 90, 104369. Impact factor (2022) – 4.873, h-index (2022) - 93
  • Arya, K., Bhattacharyya, R., & Sarangi, S. (2021). Small superimposed radial oscillations for a class of damaged limited elastic tubes. Acta Mechanica, 232(7), 2765-2780. Impact factor (2022) – 2.698, h-index (2022) - 80
  • Kumar, D., Sarangi, S., & Bhattacharyya, R. (2020). Universal relations in nonlinear electro-magneto-elasticity. Archive of Applied Mechanics, 90(7), 1643-1657. Impact factor (2022) – 2.467, h-index (2022) - 64
  • Kumar, D., Sarangi, S., & Saxena, P. (2020). Universal relations in coupled electro-magneto-elasticity. Mechanics of Materials, 143, 103308. Impact factor (2022) – 4.137, h-index (2022) - 112
  • Arya, K., Sarangi, S., & Bhattacharyya, R. (2020). A damaged Ogden material tube under pressure: stability and bifurcation analysis. Soft Materials, 18(1), 74-88. Impact factor (2022) – 1.619, h-index (2022) - 27
  • Kumar, D., & Sarangi, S. (2019). Electro-magnetostriction under large deformation: modeling with experimental validation. Mechanics of Materials, 128, 1-10. Impact factor (2022) – 4.137, h-index (2022) - 112
  • Kumar, D., & Sarangi, S. (2019). Electro-mechanical instability modelling in elastomeric actuators: a second law of thermodynamics-based approach. Soft Materials, 17(3), 308-320. Impact factor (2022) – 1.619, h-index (2022) - 27
  • Kumar, D., & Sarangi, S. (2021). Dynamic modeling of a dielectric elastomeric spherical actuator: an energy-based approach. Soft Materials, 19(2), 129-138. Impact factor (2022) – 1.619, h-index (2022) - 27
  • Kumar, D., & Sarangi, S. (2019). Pre-stretch and frequency variation effect on the dielectric permittivity of a dielectric elastomer: an amended permittivity model. Sādhanā, 44(8), 1-4. Impact factor (2022) – 1.214, h-index (2022) - 52
  • Kumar, D., & Sarangi, S. (2018). Instability analysis of an electro-magneto-elastic actuator: A continuum mechanics approach. AIP Advances, 8(11), 115314. Impact factor (2022) – 1.697, h-index (2022) - 64
  • Arya, K., & Sarangi, S. (2018). The effect of damage on small-amplitude radial oscillations of an incompressible isotropic tube under pressure. European Journal of Mechanics-A/Solids, 68, 25-37. Impact factor (2022) – 4.873, h-index (2022) - 93
  • Arya, K., & Sarangi, S. (2018). Effect of damage on the free radial oscillations of an incompressible isotropic tube. Mathematics and Mechanics of Solids, 23(8), 1177-1205. Impact factor (2022) – 2.719, h-index (2022) - 47
  • Kumar, C., & Sarangi, S. (2018). Dynamic response of an unbalanced rigid rotor bearing system with a nonlinear hydrodynamic force. Journal of Computational and Nonlinear Dynamics, 13(9). Impact factor (2022) – 1.872, h-index (2022) - 53
  • Verma, A. K., Sarangi, S., & Kolekar, M. (2016). Misalignment faults detection in an induction motor based on multi-scale entropy and artificial neural network. Electric Power Components and Systems, 44(8), 916-927. Impact factor (2022) – 1.276, h-index (2022) - 54
  • Bhattacharyya, R., Sarangi, S., & Samantaray, A. K. (2015). Effect of stress-softening on the ballooning motion of hyperelastic strings. International Journal of Engineering Science, 96, 19-33. Impact factor (2022) – 7.155, h-index (2022) - 118
  • Tauheed, F., & Sarangi, S. (2015). Rheological model for stress-softened visco-hyperelastic materials. International Journal of Damage Mechanics, 24(5), 728-749. Impact factor (2022) – 3.988, h-index (2022) - 46
  • Tauheed, F., & Sarangi, S. (2014). Damage-induced stress-softening and viscoelasticity of limited elastic materials. Mechanics of Time-Dependent Materials, 18(3), 493-525. Impact factor (2022) – 2.538, h-index (2022) - 46
  • Tauheed, F., & Sarangi, S. (2014). An invariant based damage model of stress-softening. Mechanics Research Communications, 56, 11-17. Impact factor (2022) – 2.749, h-index (2022) - 71
  • Verma, A., Sarangi, S., & Kolekar, M. H. (2014). Stator winding fault prediction of induction motors using multiscale entropy and grey fuzzy optimization methods. Computers & Electrical Engineering, 40(7), 2246-2258. Impact factor (2022) – 4.152, h-index (2022) - 73
  • Tauheed, F., & Sarangi, S. (2012). Mullins effect on incompressible hyperelastic cylindrical tube in finite torsion. International Journal of Mechanics and Materials in Design, 8(4), 393-402. Impact factor (2022) – 3.561, h-index (2022) - 36
  • Beatty, M. F., Bhattacharyya, R., & Sarangi, S. (2009). Small amplitude, free longitudinal vibrations of a load on a finitely deformed stress-softening spring with limiting extensibility. Zeitschrift für angewandte Mathematik und Physik, 60(5), 971-1006. Impact factor (2022) – 2.221, h-index (2022) - 62
  • Sarangi, S., Bhattacharyya, R., & Beatty, M. F. (2008). Effect of Stress-softening on the Dynamics of a Load Supported by a Rubber String. Journal of Elasticity, 92(2), 115-149. Impact factor (2022) – 1.742, h-index (2022) – 61

ESCI Journals

  • Lateefi, M. M., Kumar, D., & Sarangi, S. (2022). An alternative form of energy density demonstrating the severe strain-stiffening in thin spherical and cylindrical shells. Theoretical and Applied Mechanics Letters, 100361. h-index (2022) – 25
  • Kumar, D., Behera, S. K., Arya, K., & Sarangi, S. (2022). An alternative form of energy density function demonstrating the electro-elastic deformation of a dielectric cylindrical actuator. Mechanics of Soft Materials, 4(1), 1-7.
  • Yadav, V., Kumar, D., Srivastav, A., & Sarangi, S. (2022). Modelling and FEM simulation of a rotating hyperelastic spherical balloon actuator. Australian Journal of Mechanical Engineering, 1-12. h-index (2022) – 13
  • Verma, A. K., Sarangi, S., & Kolekar, M. H. (2014). Experimental investigation of misalignment effects on rotor shaft vibration and on stator current signature. Journal of Failure Analysis and Prevention, 14(2), 125-138. h-index (2022) – 29

Scopus Index Proceedings

  • Mukherjee, S., Kumar, V., Sarangi, S., & Bera, T. K. (2020). Gearbox Fault Diagnosis using Advanced Computational Intelligence. Procedia Computer Science, 167, 1594-1603. h-index (2022) – 92
  • Mukherjee, S., Kumar, V., Sarangi, S., & Bera, T. K. (2020). An Improved Signal Pre-Processing Method for Gearbox Fault Features Extraction. Procedia Computer Science, 167, 1604-1614. h-index (2022) – 92
  • Kumar, D., & Sarangi, S. (2020). Pre-stretching effect modeling of a dielectric elastomer under the electrical loading condition. Materials Today: Proceedings, 24, 290-297. h-index (2022) – 56
  • Kumar, D., Lateefi, M. M., & Sarangi, S. (2019, November). A phenomenological model for the viscoelastic behaviour of natural rubber. In IOP Conference Series: Materials Science and Engineering (Vol. 577, No. 1, p. 012020). IOP Publishing. h-index (2022) – 48
  • Kumar, D., Arya, K., & Sarangi, S. (2019, August). Modeling of a pre-stretched dielectric elastomer: A second law of thermodynamics-based approach. In Journal of Physics: Conference Series (Vol. 1276, No. 1, p. 012047). IOP Publishing. h-index (2022) – 85
  • Arya, K., Kumar, D., & Sarangi, S. (2019, August). Small Superimposed Radial Oscillations of an Arterial Tissue: Before and After Angioplasty. In Journal of Physics: Conference Series (Vol. 1276, No. 1, p. 012017). IOP Publishing. h-index (2022) – 85
  • Kumar, D., & Sarangi, S. (2018). Variable stiffness modeling of smart cantilever beam under the electrical loading condition. Procedia computer science, 133, 697-702. h-index (2022) – 92
  • Lateefi, M. M., Kumar, D., & Sarangi, S. (2018, October). Stability analysis of a hyperelastic tube under large deformation. In 2018 International Conference on Automation and Computational Engineering (ICACE) (pp. 234-239). IEEE.
  • Kumar, D., & Sarangi, S. (2018). Dynamic response of dielectric elastomer under electrical loading condition. Procedia computer science, 133, 691-696.  h-index (2022) – 92
  • Kumar, C., Krishnan, G., & Sarangi, S. (2015, February). Experimental investigation on misalignment fault detection in induction motors using current and vibration signature analysis. In 2015 International Conference on Futuristic Trends on Computational Analysis and Knowledge Management (ABLAZE) (pp. 61-66). IEEE.
  • Verma, A. K., Sarangi, S., & Kolekar, M. H. (2013). Misalignment fault detection in induction motor using rotor shaft vibration and stator current signature analysis. International Journal of Mechatronics and Manufacturing Systems, 6(5-6), 422-436. h-index (2022) – 16
  • Verma, A. K., Sarangi, S., & Kolekar, M. H. (2013). Shaft misalignment detection using stator current monitoring. International Journal of Advanced Computer Research, 3(1), 305. h-index (2022) – 7
  • Mishra, A. K., Raina, R., BahadurYadav, S., Verma, A., & Sarangi, S. Modeling and Simulation of Levitating Ball by Electromagnet using Bond Graph. h-index (2022) – 16
  • Alok, K. V., Somnath, S., Mahesh, K., & Shreya, B. (2012, March). Oil whip detection using stator current monitoring. In 2012 IEEE Symposium on Computers & Informatics (ISCI) (pp. 119-124). IEEE.
  • Tauheed, F., & Sarangi, S. (2010). Modelling of damage in finite torsion, extension and inflation of an arterial tissue. In 6th World Congress of Biomechanics (WCB 2010). August 1-6, 2010 Singapore (pp. 879-882). Springer, Berlin, Heidelberg.

Book Chapters

  • Kumar, V., Verma, A. K., & Sarangi, S. (2021). Fault diagnosis of single-stage bevel gearbox by energy operator and j48 algorithm. In Advances in Condition Monitoring and Structural Health Monitoring (pp. 231-239). Springer, Singapore.
  • Mukherjee, S., Kaushal, R., Kumar, V., & Sarangi, S. (2021). A novel approach of gearbox fault diagnosis by using time synchronous averaging and j48 algorithm. In Advances in Electromechanical Technologies (pp. 927-935). Springer, Singapore.
  • Kumar, D., Behera, S. K., & Sarangi, S. (2021). Finite deformation of a dielectric cylindrical actuator: A continuum mechanics approach. In Recent Advances in Computational Mechanics and Simulations (pp. 401-417). Springer, Singapore.
  • Verma, A., & Sarangi, S. (2015). Fault diagnosis of broken rotor bars in induction motor using multiscale entropy and backpropagation neural network. In Intelligent computing and applications (pp. 393-404). Springer, New Delhi.
  • Verma, A. K., Sarangi, S., & Kolekar, M. (2015). Misalignment fault prediction of motor-shaft using multiscale entropy and support vector machine. In Advances in Intelligent Informatics (pp. 359-370). Springer, Cham.

Conference Publications :
  • F. Tauheed and S. Sarangi, “Stress-softening in Finite Torsion Extension and Inflation of a Cylindrical Tube” ICTACEM 2010.
  • F. Tauheed and S. Sarangi, “Permanent set in rubberlike materials” International Conference on Advancements and Futuristic Trends in Mechanical and Materials Engineering (October 5-7, 2012).
  • Tauheed, F.; Sarangi, S. Damage induced stress-softening and viscoelasticity of soft biological tissues; In 15th International Conference on Biomedical Engineering (ICBME), 2013 Singapore. Accepted
  • Alok Kumar Verma, Somnath Sarangi, Mahesh Kolekar and Shreya Banerjee, “Oil Whip Detection using Stator Current Monitoring”, IEEE Symposium on Computers and Informatics, Penang, Malaysia, pp. 119-124, 18-20 March, 2012.
  • Alok Verma, Anubhuti Saha, Somnath Sarangi and Maheshkumar Kolekar, “Fault Detection of Broken Rotor Bars in Induction Motor Using Multiscale Entropy and Artificial Neural Network”, Proc. of International Conference on Smart Technologies for Mechanical Engineering, Delhi Technological University, India, pp. 285-291, 25-26 Oct’ 2013.
  • Alok Kumar Verma, Somnath Sarangi and Mahesh Kolekar, “Multiscale Entropy Based Fault Detection of Broken Rotor Bar using Support Vector Machine”, 4th Nirma University International Conference on Engineering, Nirma University, Ahmedabad, pp. 161-168, 28 - 30 November, 2013.
  • Anand Kumar Mishra, Rashmi Raina, Sher Bahadur Yadav, Alok Verma, Somnath Sarangi and Anubhuti Saha, “Modeling and Simulation of Levitating Ball by Electromagnet using Bond Graph”, International Conference on Machine and Mechanism, IIT Roorkee, India, pp. 42-47, 18-20 Dec’ 2013.
  • Alok Kumar Verma, Somnath Sarangi and Mahesh Kolekar, “Shaft Misalignment Detection using Stator Current Monitoring”, International Conference on Advance Computing and Communication, Ranchi, pp. 305-309, 16-17 March 2013.
  • M. Agarwal, S. Sarangi and R. Bhattacharyya, "Effect of Stress-softening on Dynamics of Loaded Rubber Shear Mountings", IPROMM-2005, Kharagpur, Allied, pp. 287 - 294, February, 2005.
  • N. Gupta, M. Sharma, S. Sarangi, R. Bhattacharyya , "Determination of Mechanical Property of Synthetic Rubber using Optical Mouse as a Sensor" Springer Proceedings in Physics 126, ICOVP 2007, Pages 165-171.
  • S. Sarangi, R. Bhattacharyya and A. K. Samantaray, "On the Ballooning Motion of Hyperelastic strings" 9th International Conference on Vibration Problems, January 19-January 22, 2009, IIT Kharagpur, Pages 1-9.
  • S. Sarangi, "Modeling of Damage Mechanism in Mouse Skin" 14th National Conference on Machines and Mechanisms, December 17-18, 2009, NIT Durgapur, Pages 1-7
   

Interactions with other institutes, industries, R & D laboratories etc (visits from/to other organizations, expert lectures arranged/ delivered collaborative projects/ research, service to university level/ state level or national level committees etc.):

  • Guest Speaker at “Symposium on Engineering Application of Matlab” in Indian School of Mines, Dhandad 9-10 January, 2010.
  • Keynote Speaker at “Workshop on Optimization Techniques and their Applications in Engineering Problems” in National Institute of Technology Durgapur 05-09 August, 2013.
  • Design Consultant for Rice Mill Cluster Luckeesarai, Bihar and conducted a Design Awareness Programme at Luckeesarai 18-22 February,2014. Supported by Government of Bihar and MSME, Government of India.
  • Keynote Speaker at “National Conference in INNOVATIONS IN DESIGN & CONSTRUCTION OF INDUSTRIAL STRUCTURES (IDCIS-2014)” in National Institute of Technology Durgapur 03-05 April, 2014.

Other Responsibilities:

  • Assigned with Laboratory Development of various  UG and PG Courses
  • Conducting “Research Scholars Day” for last four years
  • Was a member of IAPC from 2009 to 2012
  • Was Departmental Ph.D programme Advisor from 2009 to 2011
  • B.Tech Faculty Advisor of 2010 Batch

Copyright © IITP. All rights reserved.

Designed & Developed by Cyfuture