1. National Workshop on Coding Theory and Cryptography at CUSAT.
2. National Convention of Computer Society of India CSI 2002 at IISc. Bangalore.
3. National Convention of Computer Society of India CSI 2003 at IIT Delhi.
4. Workshop on "Network Configuration & Network Service Management" at IIITM-K, Thiruvananthapuram.
5. Workshop on "Analysis and Design of Algorithms" Part I & II at IIITM-K, Thiruvananthapuram.
6. International Workshop on "Convexity in Discrete Structures" at Kovalam, Thiruvananthapuram from 22/3/06 to 2/4/06.
7. Regional meet of Computer Society of India Chapter Chairmen, Vellore Institute of Technology, Vellore on 1/5/2006.
8. National Conference on Next Generation Data Centre at Marriott, Goa in March 2011.