1957 | Neelakandaru Pandarathil N. | CPI | 20553 | Somasekharan Nair K | PSP | 7888 |
1960 | N. Neelakandaru Pandarathil | CPI | 27797 | P. S. Nataraja Pillai | PSP | 25685 |
1965 | S. Varadarajan Nair | INC | 21674 | Neelakantaru Pandarathil | CPI | 9625 |
1967 | K.G.K.Pallai | CPI | 20584 | S.V.Nair | INC | 14931 |
1977 | Kaniapuram Ramachandran Nair | CPI | 34731 | R. Sundaresan Nair | IND | 23992 |
1980 | K. V. Surendranath | CPI | 33919 | Purathekattu Chandrasekharan Nair | IND | 27619 |
1982 | K. V. Surendranath | CPI | 37350 | S. Varadarajan Nair | IND | 34009 |
1987 | K. V. Surendranath | CPI | 47914 | Palode Ravi | INC | 42371 |
1991 | Palode Ravi | INC | 54678 | K. Govinda Pillai | CPI | 53739 |
1996 | Palode Ravi | INC | 57220 | M.Radhakrishnan | CPI | 52956 |
2001 | Mankode Radhakrishnan | CPI | 62270 | Palode Ravi | INC | 62114 |
2006 | Mankode Radhakrishnan | CPI | 58674 | Palode Ravi | INC | 58589 |
2011 | Palode Ravi | INC | 59789 | Adv.P. Ramachandran Nair | CPI | 54759 |