[1] Maulana Abul Kalam Azad Univ Technol, Dept Appl Math, Kolkata, West Bengal, India
[2] Dr BC Roy Engn Coll, Dept Informat Technol, Durgapur, West Bengal, India
[3] Prasanta Chandra Mahalanobis Mahavidyalaya, Dept Math, Kolkata, West Bengal, India
[4] St Xaviers Coll Autonomous Kolkata, Kolkata, West Bengal, India
[5] Maulana Abul Kalam Azad Univ Technol, Dept Comp Sci & Engn, Kolkata, West Bengal, India