1. Department of Physics, KMBB College of Engg & Technology Bhubaneswar, India
2. Department of Physics, J.K.B.K. Government College, Cuttack, India
3. Department of Physics, Veer Surendra Sai University of Technology, Burla, Sambalpur, India
4. Department of Physics, Institute of Technical Education and Research, Siksha O Anusandhan University, Bhubaneswar, India