Affiliation: | 1.B.S. Anangpuria Institute of Technology and Management, Faridabad, Haryana, 121004, India ;2.Department of Mathematics, PGDAV College, University of Delhi, New Delhi, 110065, India ;3.Jindal Global Business School, O. P. Jindal Global University, Sonipat, Haryana, 131001, India ;4.Department of Mathematics, Chaudhary Charan Singh University, Meerut, 250004, India ; |