Tamil Nadu Legislative Assembly constituency result for 1989. Winner: THANGARAJAN S. A. (CPM). Winning margin: 14.4%.
| Candidate | Party | Votes | Vote Share |
|---|---|---|---|
| THANGARAJAN S. A.✓ Winner | CPM | 46,617 | 37.8% |
| M. SANDHANA MARY | INC | 28,815 | 23.3% |
| KRISHNA SWAMY K.A. | ADK(JR) | 24,763 | 20.1% |
| A. PREMKUMAR | ADK(JL) | 17,445 | 14.1% |
| P. SELVAN NADAR | IND | 1,490 | 1.2% |
| K. MUTHUKRISHNAN KAILAI | BJP | 1,016 | 0.8% |
| A, STEPAN | IND | 1,001 | 0.8% |
| P. SUBBIAH | IND | 312 | 0.3% |
| R. RAJU | IND | 280 | 0.2% |
| R. JEYARAMAN | IND | 270 | 0.2% |
| M. VISWA BHARATHI | IND | 238 | 0.2% |
| S. JOSEPH FERNANDO | IND | 227 | 0.2% |
| K. DORAISAMY | IND | 224 | 0.2% |
| K. SUBRAMANIAM | IND | 218 | 0.2% |
| SA. SEBASTIAN | IND | 131 | 0.1% |
| S. JOSE | IND | 111 | 0.1% |
| V. RAJENDRAN | IND | 106 | 0.1% |
| MUTHUKRISHNAN S. | IND | 102 | 0.1% |
| G. RAMAKRISHNAN | IND | 69 | 0.1% |
| Year | Winner | Party | Vote Share | Margin % |
|---|---|---|---|---|
| 2026 | SIVASANKAR. S.S | DMK | 37.8% | 6.7% |
| 2021 | SIVASANKAR, S.S. | DMK | 47.3% | 2.9% |
| 2016 | RAMACHANDRAN, R.T. | ADMK | 38.1% | 9.2% |
| 2011 | SIVASANKAR, S.S. | DMK | 46.9% | 13.2% |
| 2006 | BALABHARATHI.K. | CPM | 43.7% | 12.4% |
| 2001 | NAGALAKSHIMI .K. | CPM | 47.4% | 1.9% |
| 1996 | MANIMARAN. R. | DMK | 65.5% | 45.2% |
| 1991 | B. NIRMALA | ADMK | 64.0% | 34.9% |
| 1989 | THANGARAJAN S. A. | CPM | 37.8% | 14.4% |
| 1984 | A. PREMKUMAR | ADMK | 62.7% | 30.3% |
| 1980 | N. VARADARAJAN | IND | 54.9% | 11.5% |
| 1977 | N. VARADARAJAN | CPM | 45.2% | 26.7% |
| 1971 | NALLASAMY | DMK | 56.5% | 13.1% |