1. Department of Pure and Applied Physics, Guru Ghasidas Vishwavidyalaya, Bilaspur 495009, India
2. UGC-DAE CSR, University Campus, Khandwa Road,
Indore 452001, India
3. School of Basic Sciences, Indian Institute of Technology, Bhubaneswar 752050, India
4. Department of Physics, Kakatiya University,
Warangal 506009, India