1. Department of Physics, Siksha ‘O’ Anusandhan University (Deemed to be University), Khandagiri, Bhubaneswar, Odisha, India
2. Department of Physics, Central Institute of Technology, Kokrajhar (Deemed to be University, MHRD, Govt. of India), BTC, Assam, India
3. Department of Physics, Faculty of Engineering & Technology, Siksha O Anusandhan Deemed to be University, Bhubaneswar, India