1. Department of Physics, Nagaland University, Lumami 797004, Nagaland, India
2. Department of Physics, Nabadwip Vidyasagar College, Nabadwip 741302, West Bengal, India
3. Advanced Computation and Data Sciences Division, CSIR, North East Institute of Science and Technology, Jorhat 785006, Assam, India
4. Department of Physics, Assam University, Silchar 788011, Assam, India