[1] Department of Physics, Faculty of Natural Science, Jamia Millia Islamia, New Delhi 110025, India
[2] Department of Applied Science, Sharda University, Plot No. 32-34, Knowledge Park-III, Greater Noida, Uttar Pradesh 201306, India
[3] UGC-DAEF Consortium for Scientific Research, Kolkata Center, III/LB-8 Bidhannagar, Kolkata 700098, India