1. Centre for Cosmology, Astrophysics and Space Science (CCASS), GLA University, Mathura 281 406, Uttar Pradesh, India
2. Department of Mathematics, Institute of Applied Sciences and Humanities, GLA University, Mathura 281 406, Uttar Pradesh, India
3. Department of General Studies (Mathematics), Jubail Industrial College, Jubail 31961, Saudi Arabia
4. Department of Mathematical Sciences, University of Zululand, Private Bag X1001, Kwa-Dlangezwa 3886, South Africa