1. Department of Physics, Government Vishwanath Yadav Tamaskar Post Graduate Autonomous College, Durg, Chhattisgarh, India
2. Military University of Technology in Warsaw, Warsaw, Mazovia, Poland
3. Department of Physics, Bhilai Institute of Technology, Raipur, Chhattisgarh, India
4. Government Nagarjuna Post Graduate College of Science, Raipur, Chhattisgarh, India
5. Department of Physics, Andhra Loyola College, Vijayawada, Andhra Pradesh, India