Affiliation: | (1) Department of Physics, Sundargarh Engineering College, Kirei, Sundargarh, Orissa, 770073, India;(2) P.G. Department of Physics, Sambalpur University, Jyotivihar, Sambalpur, Orissa, 768019, India;(3) Department of Mathematics, Sundargarh Engineering College, Kirei, Sundargarh, Orissa, 770073, India;(4) Department of Mathematics, Lingaya’s Institute of Management and Technology, Faridabad, Delhi, 121002, India |