1. Department of Physics, J. C. Bose University of Science and Technology, YMCA, Faridabad, India
2. Echelon Institute of Technology, Faridabad, India
3. Department of Electronics Engineering, J. C. Bose University of Science and Technology, YMCA, Faridabad, India
4. University Institute of Engineering and Technology, Maharshi Dayanand University, Rohtak, India