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| Sno | Name | Period |
|---|---|---|
| 1 | Dr. M. Natarajan | 1970 – 1976 |
| 2 | Dr. T.K. Shanmugasundaram | 1976 – 1979 |
| 3 | Dr. A.J. Selvapandian | 1979 – 1981 |
| 4 | Dr. S. Basheer Ahamed | 1981 – 1983 |
| 5 | Dr. S. Soundarapandian | 1983 – 1985 |
| 6 | Dr. A. Subramaniam | 1985 – 1986 |
| 7 | Dr. T.S. Xavier | 1986 – 1987 |
| 8 | Dr. P.V.A. Mohandoss | 1987 – 1988 |
| 9 | Dr. R. Venkatakrishnan | 1988 – 1989 |
| 10 | Dr. P. Soundararajan | 1989 – 1990 |
| 11 | Dr. A. Devadoss | 1990 – 1991 |
| 12 | Dr. K. Sriram | 1991 – 1992 |
| 13 | Dr. (Major) D. Raja | 1992 – 1993 |
| 14 | Dr. Mohamed Farook | 1993 – 1994 |
| 15 | Dr. P. Dhanarajan | 1994 – 1995 |
| 16 | Dr. S.S.K. Marthandam | 1995 – 1996 |
| 17 | Dr. C.T. Alagappan | 1996 – 1997 |
| 18 | Dr. G. Swaminathan | 1997 – 1998 |
| 19 | Dr. I. Shanmuganathan | 1998 – 1999 |
| 20 | Dr. N. Mayilvahanan | 1999 – 2000 |
| 21 | Dr. K. Annamalai | 2000 – 2001 |
| 22 | Dr. M. Rajagopal | 2001 – 2002 |
| 23 | Dr. Aa. Rajamani | 2002 – 2003 |
| 24 | Dr. T. Prabhakaran | 2003 – 2004 |
| 25 | Dr. R.H. Govardhan | 2004 – 2005 |
| 26 | Dr. V. Shanmugam | 2005 – 2006 |
| 27 | Dr. David V Rajan | 2006 – 2007 |
| 28 | Dr. M. Chidambaram | 2007 – 2008 |
| 29 | Dr. P.V. Vijayaraghavan | 2008 – 2009 |
| 30 | Dr. S. Natesan | 2009 – 2010 |
| 31 | Dr. P.V. Jayasankar | 2010 – 2011 |
| 32 | Dr. P.V. Pugalendhi | 2011 – 2012 |
| 33 | Dr. S. Rajasekaran | 2012 – 2013 |
| 34 | Dr. R. Selvaraj | 2013 – 2014 |
| 35 | Dr. Nalli R Yuvaraj | 2014 – 2015 |
| 36 | Dr. C. Raja Ravi Varma | 2015 – 2016 |
| 37 | Dr. R. Siva Kumar | 2016 – 2017 |
| 38 | Dr. S. Ramesh Babu | 2017 – 2018 |
| 39 | Dr. R. Muralidharan | 2018 – 2019 |
| 40 | Dr. J. Dheenadayalan | 2019 – 2020 |
| 41 | Dr SG Thirumalaisamy 2020-21 | 2020 – 2021 |