
| Year | Winner | Vote Share | Runner Up | Runner Up Vote Share | Vote Margin |
|---|---|---|---|---|---|
| 2004 | Chengara SurendranCPI | 48.54% | Kodikunnil SureshINC | 40.57 | 7.97 |
| 1999 | Kodikunnil SureshINC | 48.27% | Chengara SurendranCPI | 45.12 | 3.15 |
| 1998 | Chengara SurendranCPI | 48.53% | Kodikunnil SureshINC | 46.05 | 2.48 |
| 1996 | Kodikkunnil SureshINC | 52.58% | P.k.raghavanCPI | 42.79 | 9.79 |
| 1991 | Kodikunnil SureshINC | 49.49% | Bhargavi Thankappan (w)CPI | 46.67 | 2.81 |
| 1989 | Kodikunnil SureshINC | 49.91% | N. RajanCPI | 46.78 | 3.13 |
| 1984 | K. K. KunhambuINC | 54.06% | P. K. RaghavanCPI | 43.98 | 10.08 |
| 1980 | P. K. KodiyanCPI | 53.04% | R. AchuthanINC(I) | 45.13 | 7.9 |
| 1977 | P. K. KodiyanCPI | 54.04% | K. Chandrasekharan ShastriCPM | 44.42 | 9.62 |
| 1971 | K. BhargaviCPI | 65.24% | P. K. KunjachanCPM | 30.17 | 35.07 |
| 1967 | P. C. AdichanCPI | 51.66% | R. AchuthanINC | 29.62 | 22.04 |