1. Assistant Professor, Dept. of Applied Mathematics, Indian School of Mines, Dhanbad-826004, Jharkhand, India (corresponding author).
2. Ph.D. Student, Dept. of Applied Mathematics, Indian School of Mines, Dhanbad-826004, Jharkhand, India.
3. Professor, Dept. of Applied Mathematics, Indian School of Mines, Dhanbad-826004, Jharkhand, India.