1. Department of Computer Science and Engineering, Thapar Institute of Engineering and Technology, Patiala-147004, Punjab, India.
2. Management System Officer (North), Bureau of Indian Standards, Chandigarh-160019.
3. Department of Electrical and Instrumentation Engineering, Thapar Institute of Engineering and Technology, Patiala-147004, Punjab, India.
4. Vels Institute of Science, Technology & Advanced Studies (VISTAS), Tamil Nadu, India.