1. Department of Physics, Garhbeta College 1 , Paschim Medinipur, West Bengal 721127, India
2. Department of Physics, Indian Institute of Science Education and Research Bhopal 2 , Madhya Pradesh 462066, India
3. Department of Physics, Saurashtra University 3 , Rajkot, Gujarat 360001, India
4. Department of Physics, The Patidar Gin Science College 4 , Bardoli, Gujarat 394601, India