1951-82 1982-86 1986-91 1991-94 1994-02 2002-05 Dr.G R Damodaran (1951-1970) Dr. R Subbayyan (1970-1982) Dr. K Venkataraman (1982-1986) Dr. A Shanmugasundaram (1986-1991) Dr. S Subramanyan (1991 - 1994) Dr. P.Radhakrishnan< (1994-2002) Dr S. Vijayarangan (2002 - 2005)