| Date | Organization | Topic |
|---|---|---|
| 09/06/2011 | A C College of Engineering and Technology, Karaikudi, Tamil Nadu, India | Mathematics of Cryptography |
| 23/02/2011 | Oxford Engineering College, Trichy, Tamil Nadu | Network Security |
| 15/02/2011 | The Institution of Engineers (India), Tiruchirappalli Local Centre, BHEL main office road, Tamil Nadu, India | Fault Tolerance |
| 03/11/2009 | Mookambigai College of Engineering, Kalamavur, Pudukkotai Dt, Tamil Nadu, India | Finite state Automata and Regular expressions |
| 13/06/2007 | Periyar Maniammai University Vallam, Tanjavur, India | Cryptographic Algorithms |
