1. Department of Basic & Applied Science, National Institute of Technology Arunachal Pradesh, Jote, Papum Pare District, Arunachal Pradesh 791113, India
2. Department of Mechanical Engineering, National Institute of Technology Arunachal Pradesh, Jote, Papum Pare District, Arunachal Pradesh 791113, India
3. School of Computer Science and Applied Mathematics, University of the Witwatersrand, Johannesburg, South Africa
4. Department of Mathematics, North-Eastern Hill University, Shillong, Meghalaya, India