1. Department of Physics, University of Science & Technology Meghalaya, Ri-Bhoi 793101, Meghalaya, India
2. Theoretical Photonics Group, Department of Physics, Sarala Birla University, Ranchi 835103, Jharkhand, India
3. Department of Physics, G.D. Goenka Public School, Dakshineswar 700035, West Bengal, India