Goswami, Parangam , Department of Physics, Assam University, Silchar, 788011, Assam, India Goswami, Vishal H., Department of Physics, Chikitsak Samuha's Sir Sitaram and Lady Shantabai Patkar College of Arts & Science and V. P. Varde College of Commerce & Economics. Goregaon West, Mumbai, Maharashtra, India