1. Department of Mathematics, St. Xavier’s College (Autonomous), Kolkata, West Bengal, India
2. Department of Commerce, Vivekananda Mission Mahavidyalaya, West Bengal, India
3. Department of Applied Science, MaulanaAbulKalam Azad University of Technology, West Bengal, India
4. Department of Mathematics, Aliah University, West Bengal, India
5. Department of Commerce & Management, West Bengal State University, Barasat, India
6. Department of Information Technology, Dr. B. C. Roy Engineering College, Durgapur, West Bengal, India