1. Department of Computer Science, College of Engineering & Management, Kolaghat, KTPP Township, Midnapur (East), 721171, W.B., India
2. Department of Physics, Bankura Christian College, Bankura, 722101, West Bengal, India
3. Department of Physics, National Institute of Technology, Agartala, Tripura, 799055, India
4. Department of Computer Science & Engineering, Calcutta University, Kolkatta, 700009, India