1. PG & Research Department of Physics, Paavendhar College of Arts and Science Salem Tamil Nadu India
2. Department of Physics, Loyola College of Arts and Science Namakkal Tamil Nadu India
3. Department of Electrical Engineering Konark Institute of Science and Technology, Techno Park Bhubaneswar Odisha India
4. Department of Electronics and Communication Engineering Centurion University of Technology and Management Bhubaneswar Odisha India