1. Department of Mathematics, Siksha ‘O’ Anusandhan (Deemed to be University), Bhubaneswar 751030, Odisha, India
2. Department of Mathematics, Faculty of Mathematical Sciences, University of Delhi, Delhi 110007, India
3. Department of Applied Science, Gauhati University, Guwahati 781014, Assam, India
4. Center for Applied Mathematics and Computing, Siksha ‘O’ Anusandhan (Deemed to be University), Bhubaneswar 751030, Odisha, India