1. Department of Applied Science and Humanities, Goel Institute of Technology and Management, Lucknow, India
2. Department of Physics, Lingaya’s University, Nachauli, Jasana Road, Faridabad, Haryana 121002, India
3. Department of Physics, Nehru Gram Bharati University, Kotwa, Jamunipur, Jhusi, Allahabad 221505, India