Tamil Nadu Legislative Assembly constituency result for 1980. Winner: SANKARIAH, N. (CPM). Winning margin: 8.0%.
| Candidate | Party | Votes | Vote Share |
|---|---|---|---|
| SANKARIAH, N.✓ Winner | CPM | 36,862 | 49.4% |
| RAMAMOORTHY, M. A. | INC | 30,923 | 41.4% |
| RAMAMOORTHY, N. S. | JP | 5,647 | 7.6% |
| O. K. (OBULA) LAKSHMANAN | IND | 382 | 0.5% |
| (JANAKT) KRISHNAN, J. S. | IND | 343 | 0.5% |
| RAJARAM, S. N. | IND | 238 | 0.3% |
| MUTHURAM, L. K. T. | IND | 153 | 0.2% |
| B. SRIDHARAN (THORALI) | IND | 96 | 0.1% |
| ABDULLAH, M. | IND | 57 | 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% |