15 elections on record · DMK dominant · 15 total
Dr. Radhakrishnan Nagar (RK Nagar) is a Chennai constituency made famous as J. Jayalalithaa's last battleground — she won here in 2016 with a massive 39,545 margin. In 2026, TVK's N. Marie Wilson won it.
| Year | Winner | Party | Votes | Vote % | Runner-up | Party | Margin |
|---|---|---|---|---|---|---|---|
| 2026 | N. Marie Wilson | TVK | 97800 | 53.97% | J. John Ebenezer | DMK | 49668 |
| 2021 | J. John Ebenezer | DMK | 95763 | 51.20% | R. S. Raajesh | ADMK | 42479 |
| 2016 | J. Jayalalithaa | ADMK | 97218 | 55.87% | Shimla Muthuchozhan | DMK | 39545 |
| 2011 | P. Vetrivel | AIADMK | 83777 | 59.04% | P. K. Sekar Babu | DMK | 31255 |
| 2006 | M. Karunanidhi | DMK | 34188 | 50.96% | Dawoon Miakhan | IND | 8526 |
| 2001 | M. Karunanidhi | DMK | 29836 | 51.91% | R. Damodharan | INC | 4834 |
| 1996 | M. Karunanidhi | DMK | 46097 | 77.05% | N.S.S. Nellai Kannan | INC | 35784 |
| 1991 | Zeenath Sheriffdeen | INC | 29605 | 50.62% | K. Anbazhagan | DMK | 4456 |
| 1989 | M. A. Latheef | DMK | 33104 | 50.21% | S. M. Hidayathulla | INC | 18353 |
| 1984 | A. Rahman Khan | DMK | 36234 | 56.26% | Sri Ramulu K. R. | INC | 8988 |
| 1980 | A. Rahman Khan | DMK | 32627 | 55.64% | Abdul Khader. M. S | AIADMK | 9226 |
| 1977 | A. Rahman Khan | DMK | 24425 | 38.4% | V. Rajkumar | AIADMK | 6629 |
| 1971 | K M Subramaniam | INC | 37100 | 48.32% | D V Narayanasamy | DMK | 879 |
| 1967 | M. P. Sivagnanam | DMK | 37662 | 57.36% | K. M. Subramaniam | Independent | 9993 |
| 1962 | A. Ragahava Reddy | SWA | 19575 | 46.50% | K. Kamalambujammal | INC | 629 |