Tamil Nadu Legislative Assembly constituency result for 1991. Winner: AMARNATH O.S. (ADMK). Winning margin: 38.3%.
| Candidate | Party | Votes | Vote Share |
|---|---|---|---|
| AMARNATH O.S.✓ Winner | ADMK | 50,336 | 64.0% |
| KUMAR P .M. | CPM | 20,248 | 25.7% |
| SESHACHARIO R. V. | BJP | 5,841 | 7.4% |
| ALI AKBAR M. | TMUL | 1,465 | 1.9% |
| RAJASEKARAN T. | IND | 157 | 0.2% |
| RAJAPANDIAN P. D. | ICS(SCS) | 146 | 0.2% |
| RENGIEYA P. | IND | 94 | 0.1% |
| KAMARDEEN, M.A.K. | IND | 88 | 0.1% |
| JEGADES BABY M. R. | IND | 74 | 0.1% |
| KRISHNAMOORTHY, G.R. | IND | 58 | 0.1% |
| KARUPPIAH V. | IND | 53 | 0.1% |
| KAMAAL, S. | IND | 50 | 0.1% |
| TOTHIKRISHNAN M. R. | IND | 40 | 0.1% |
| Year | Winner | Party | Vote Share | Margin % |
|---|---|---|---|---|
| 2026 | KATHIRAVAN. S | DMK | 38.8% | 5.9% |
| 2021 | S. KATHIRAVAN | DMK | 59.1% | 30.3% |
| 2016 | PARAMESWARI. M | ADMK | 46.2% | 4.2% |
| 2011 | POONACHI. T.P. | ADMK | 53.1% | 12.3% |
| 2006 | NANMARAN.N | CPM | 38.2% | 0.1% |
| 2001 | NANMARAN.N | CPM | 43.3% | 7.1% |
| 1996 | VELUSAMY .V | DMK | 46.2% | 22.6% |
| 1991 | AMARNATH O.S. | ADMK | 64.0% | 38.3% |
| 1989 | ERADHA, S.R. | ADMK | 48.9% | 16.1% |
| 1984 | KALIMUTHU K | ADMK | 51.1% | 7.4% |
| 1980 | SANKARIAH, N. | CPM | 49.4% | 8.0% |
| 1977 | SANKARIAH, N. | CPM | 33.5% | 2.7% |
| 1971 | SUNDARAM PILLAI O. N. | NCO | 39.8% | 2.0% |