1. Department of Physics, Indira Gandhi National Tribal University, Amarkantak, India
2. School of Studies in Physics and Astrophysics, Pt. Ravishankar Shukla University, Raipur, India
3. Department of Chemistry, Gurukula Kangri (Deemed to be University), Haridwar, India
4. Special Centre for Nanoscience, Jawaharlal Nehru University, Delhi, India
5. Department of Applied Physics, Shri Shankaracharya Institute of Professional Management & Technology, Raipur, India
6. Department of Physics, Government Polytechnic, Kabirdham, India
7. Department of Physics, Dr. Hari Singh. Gour Vishwavidyalaya Sagar, Sagar, India