1. Department of Physics, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, India
2. Department of Physics, Vinayak Vidnyan Mahavidyalaya, Nandgaon Khandeshwar, Amravati, India
3. Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, India