1. Government College of Engineering & Textile Technology,Department of Computer Science & Engineering,Serampore, Calcutta,India
2. Vellore Institute of Technology,Department of Computer Science & Engineering,Vellore,Tamil Nadu,India
3. Velammal Engineering College, Anna University,Department of Mathematics,Chennai,Tamil Nadu,India
4. Government College of Engineering & Textile Technology,Department of Information Technology,Serampore, Calcutta,India