1. Haldia Institute of Technology,Electronics and Communication Engineering Dept.,Haldia,India
2. Meghnad Saha Institute of Technology,Electronics and Communication Engineering Dept.,Kolkata,India
3. Techno International New Town,Basic Science and Humanities Dept.,Kolkata,India
4. Maulana Abul Kalam Azad University of Technology,Computer Science and Engineering Dept.,Kolkata,India