by NILESH KUMAR PRASAD | PHIBAKORDOR SHANGPLIANG | LAPHIRADASHISHA MARNGAR | PHIBANBET KARKALANG | SATYA PRAKASH PATI | Department of Physics, North-Eastern Hill University, Shillong, Meghalaya, India, 793022 | Department of Physics, North-Eastern Hill University, Shillong, Meghalaya, India, 793022 | Department of Physics, North-Eastern Hill University, Shillong, Meghalaya, India, 793022 | Department of Physics, North-Eastern Hill University, Shillong, Meghalaya, India, 793022 | Department of Physics, North-Eastern Hill University, Shillong, Meghalaya, India, 793022
