1. Department of Mathematics, Laxminarayan Institute of Technology, Nagpur, Maharashtra, India
2. Department of Mathematics, Dr. Ambedkar College, Nagpur, Maharashtra, India
3. Department of Mathematics, R.T.M. Nagpur University, Nagpur, Maharashtra, India
4. Department of Applied Mathematics, Pillai HOC College of Engineering and Technology, University of Mumbai, Rasayani, Maharashtra, India