Reema Gupta 1, Lokesh Rana 1, Anjali Sharma 2, Monika Tomar 3, Vinay Gupta 1
1 Department of Physics & Astrophysics, University of Delhi, Delhi, India, New Delhi., India, 2 Physics Department, Atma Ram Sanatan Dharma College, University of Delhi, Delhi, India, Delhi, India, 3 Physics Department, Miranda House, University of Delhi, Delhi, India, Delhi, India