1. Department of Applied Physics, Indian Institute of Technology (Indian School of Mines) Dhanbad, Dhanbad, India
2. Department of Physics, Malaviya National Institute of Technology Jaipur, Jaipur, India
3. School of Physics, University of Hyderabad, Central University (P.O), Hyderabad, India
4. Materials Science Group, Inter-University Accelerator Centre, New Delhi, India
5. Department of Physics, Indian Institute of Technology Guwahati, Guwahati, India