| Year | Winner | Party | Votes | Vote % | Runner-up | Party | Margin |
|---|---|---|---|---|---|---|---|
| 2026 | P. Venkataramanan | TVK | 70070 | 46.53% | Dha. Velu | DMK | 28972 |
| 2021 | Dha. Velu | DMK | 68392 | 44.58% | R. Nataraj | ADMK | 12633 |
| 2016 | R Nataraj IPS (Rtd) | ADMK | 68176 | 43.67% | Karate Thiagarajan R | INC | 14728 |
| 2011 | R. Rajalakshmi | AIADMK | 80063 | 56.03% | Thangkabalu K V | INC | 29204 |
| 2006 | K. Sundar | DMK | 70488 | 48.75% | V. Somasundaram | ADMK | 12016 |
| 2001 | V. Somasundaram | AIADMK | 73824 | 56.48% | K. Sundar | DMK | 27622 |
| 1996 | K. Sundar | DMK | 66086 | 52.84% | N.K. Gnanasekaran | ADMK | 33092 |
| 1991 | Kanchi Panneerselvam | ADMK | 63367 | 55.46% | K. Sundar | DMK | 34094 |
| 1989 | K. Sundar | DMK | 31304 | 34.71% | P. Sundar Raman | ADK(J) | 11129 |
| 1984 | Narasimma Pallavan. K. | AIADMK | 57797 | 57.21% | Ponmozhi. C. V. M. A. | DMK | 17790 |
| 1980 | S. Jagathrakshakan | AIADMK | 43303 | 49.11% | Ramadoss. S | INC | 1586 |
| 1977 | S. Pakkur Subramanyan | AIADMK | 34877 | 45.03% | K. M. Rajagopal | DMK | 12583 |
| 1971 | A Parandhaman | DMK | 38569 | 67.11% | Era Kulasekaran | INC | 19666 |
| 1967 | C. V. M. Annamalai | DMK | 43499 | 66.68% | C. C. Naidu | INC | 21758 |
| 1962 | S. J. Ramaswamy Mudali | DMK | 26586 | 38.98% | B. Bhaktavatsalu Naidu | INC | 1434 |
Joined TVK at formation on 2 February 2024.
Active TVK organiser in Chennai South — Mylapore constituency focus.
Announced as TVK candidate for Mylapore — a key Chennai South constituency.
Won Mylapore with 70,070 votes, margin 28,972.
Sworn as Minister for Food & Civil Supplies, Consumer Protection & Price Control.