1. Department of Physics, School of Science, GITAM (Deemed to be University), Hyderabad, Telangana, India
2. Department of Physics, Institute of Science, GITAM (Deemed to be University), Visakhapatnam, Andhra Pradesh, India
3. Department of Physics, Rajiv Gandhi University of Knowledge Technologies, Nuzvid, India
4. School of Physics, University of Hyderabad, Hyderabad, India