1. Physics Department, Shaheed Rajguru College of Applied Sciences for Women, University of Delhi, New Delhi 110096, India
2. Department of Physics, Institute of Sciences and Humanities, G. L. A. University, Mathura 281406, Uttar Pradesh, India
3. Department of Physics, Shobhit Institute of Engineering, and Technology (Deemed to-be-University), Meerut 250110, Uttar Pradesh, India