Tamil Nadu Legislative Assembly constituency result for 2006. Winner: KOVAITHANGAM (INC). Winning margin: 24.3%.
| Candidate | Party | Votes | Vote Share |
|---|---|---|---|
| KOVAITHANGAM✓ Winner | INC | 46,561 | 53.9% |
| KALAIYARASAN SUSI.S. | VCK | 25,582 | 29.6% |
| MURUGARAJ.S. | DMDK | 6,845 | 7.9% |
| THANGAVEL.M. | BJP | 2,861 | 3.3% |
| SHREEDARAN.(DR).A. | IND | 1,696 | 2.0% |
| DEVAKI.S. | BSP | 823 | 0.9% |
| THILAGAVATHI.S. | JD(U) | 521 | 0.6% |
| RAVICHANDRAN.S. | IND | 447 | 0.5% |
| BALASUBRAMANIAN.V. | IND | 390 | 0.5% |
| KANAGARAJ.K. | IND | 372 | 0.4% |
| MANOHARAN.S. | IND | 223 | 0.3% |
| Year | Winner | Party | Vote Share | Margin % |
|---|---|---|---|---|
| 2026 | M. RAJU | DMK | 35.7% | 5.7% |
| 2021 | Ramachandran, K. | DMK | 45.5% | 3.0% |
| 2016 | RAMU A. | ADMK | 45.7% | 2.8% |
| 2011 | RAMACHANDRAN.K | DMK | 50.7% | 7.7% |
| 2006 | KOVAITHANGAM | INC | 53.9% | 24.3% |
| 2001 | KOVAITHANGAM | TMC(M) | 53.2% | 20.1% |
| 1996 | SINGARAVELU, V.P. | DMK | 59.5% | 27.2% |
| 1991 | A. SRIDHARAN | ADMK | 60.7% | 23.3% |
| 1989 | P. LAKSHMI | ADK(JL) | 42.5% | 7.4% |
| 1984 | V. THANGAVELU | INC | 63.5% | 29.5% |
| 1980 | A.T. KARUPPAIAH | CPI | 56.8% | 16.0% |
| 1977 | R.S. THANGAVELU | ADMK | 34.2% | 7.7% |
| 1971 | SADIQPASHA, S.J. | DMK | 62.8% | 26.9% |