| Position | Organisation | Period |
| Chairman | Institution of Engineers, Tamilnadu State Centre | 1964-66 |
| Member - Syndicate | University of Madras | 1967-73 |
| President | South Indian Sugar Mills Association ( TNB ) | 1972-74
1979-80 |
| President | Tamilnadu Chess Association | 1974-81 |
| President | South Indian Sugar Mills Association ( KNB) | 1985-87 |
| President | All India Chess Association | 1985-89 |
| President | Pollachi Co-operative House Constructions Society Limited | Since 1960 |
| President | Sakthi Co-operative Industrial Estate Limited, Pollachi | Since 1961 |
| President | Suddha Sanmarga Sangam Charities, Coimbatore | Since 1962 |
| President | Ramalingar Mission, Madras | Since 1965 |
| President | Suddha Sanmarga Nilayam Trust, Vadalur | Since 1969 |
| President | Indian Vegetarian Congress, Madras | Since 1978 |
| President | International Society for the Investigation of Ancient Civilisation, Madras | Since 1978 |
| Chairman | Sakthi Foundation | Since 1981 |
| Treasurer | Institute of Asian Studies, Madras | Since 1981 |
| President | Sakthi C-op. House Building Society Ltd. | Since 1983 |
| President | Institute for Techno Economic Studies, Madras | Since 1983 |
| Chairman | Temple Protection Committee: Constituted by H.H.Sri Sankaracharya of Kanchi Kamakodi Peedam | Since 1984 |
| Member - Syndicate | Anna University, Madras | Since 1988 |