1. Department of Mathematics, Amity University Rajasthan, Jaipur, Rajasthan, India
2. Department of Mathematics, Malaviya National Institute of Technology, Jaipur, India
3. Department of HEAS (Mathematics), Rajasthan Technical University, Kota, India
4. Department of Mathematics, University of Rajasthan, Jaipur, Rajasthan, India
5. Department of Mathematics, Wollo University, Dessie, Ethiopia