| Year | Winner | Party | Votes | Vote % | Runner-up | Party | Margin |
|---|---|---|---|---|---|---|---|
| 2026 | V. Sampathkumar | TVK | 92500 | 40.24% | Senthil Selvan Durai Devaraj | DMK | 21992 |
| 2021 | Amman K. Arjunan | ADMK | 81454 | 40.16% | V M Shamuga Sundaram | DMK | 4001 |
| 2016 | Arun Kumar P.R.G. | ADMK | 77540 | 41.05% | S. Meenalogu | DMK | 7724 |
| 2011 | Malaravan T. | AIADMK | 93276 | 60.07% | Veeragopal M. | DMK | 40098 |
| 2006 | R. M. Palanisami | INC | 64625 | 44.11% | V. P. Namachivayam | ADMK | 3860 |
| 2001 | P.C. Ramasami | AIADMK | 74296 | 55.24% | Subbulakshmi Jegadeesan | DMK | 34212 |
| 1996 | Subbulakshmi Jegadeesan | DMK | 64436 | 54.97% | R.N. Kittusamy | ADMK | 39540 |
| 1991 | Kavinilavu Dharmaraj | ADMK | 78653 | 61.98% | K. Elanchezhian | DMK | 36475 |
| 1989 | A. Ganesamoorthy | DMK | 58058 | 44.27% | S. Balakrishnan | ADK(J) | 16007 |
| 1984 | S. Balakrishnan | AIADMK | 65641 | 56.56% | A. Ganeshamurthy | DMK | 17326 |
| 1980 | Balakrishnan. S. | AIADMK | 56049 | 58.67% | Ganesamoorthy. A. | DMK | 17647 |
| 1977 | Subbulakshmi | AIADMK | 38072 | 44.75% | A. Ganeshamurthy | DMK | 22872 |
| 1971 | N. K. Palanisamy | CPI | 38882 | 56.37% | K. Chinnasamy Gounder | IND | 8782 |
| 1967 | S. Balasubramanian | SSP | 33164 | 47.41% | N. N. S. Nandradiar | INC | 3134 |
| 1962 | P. K. R. Lakshmi Kanthan | INC | 36679 | 48.11% | N. Sankariah | CPI | 9451 |
Won Coimbatore North with 92,500 votes. Margin of 21,992.
Sworn in as Minister for Backward Classes, MBC & De-notified Communities Welfare.