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