1957 | Sankaranarayanan Thampi R. | CPI | 19538 | Saraswathi Amma K. | INC | 13546 |
1960 | K. R. Saraswathy Amma | INC | 31964 | R. Rajasekharan Thampi | CPI | 19063 |
1965 | K. R. Saraswathi Amma | KC | 26248 | N. S. Krishna Pillai | INC | 12135 |
1967 | P.G.P. Pillai | CPM | 17524 | N.S.K. Pillai | INC | 16004 |
1970 | P. G. Purushothaman Pillai | CPM | 21687 | Saraswathi Rugmini | KEC | 19443 |
1977 | Thakappan Pillai | IND | 33909 | K.R. Saraswathi Amma | KCP | 27356 |
1980 | K. R. Saraswathi Amma | IND | 35910 | Thomas Kuthiravattom | KEC | 31610 |
1982 | S. Ramachandran Pillai | IND | 31156 | P. K. Nambiar | CPM | 27865 |
1987 | Mammen Iype | ICS(SCS) | 39836 | R. Ramachandran Nair | IND | 24133 |
1991 | Sobhana George | INC | 40208 | Mammen Iype | ICS(SCS) | 36761 |
1996 | Sobhana George | INC | 37242 | Mammen Iype | ICS | 34140 |
2001 | Sobhana George | INC | 41242 | Adv. K K Ramachandran Nair | CPM | 39777 |
2006 | P.C.Vishnunath | INC | 44010 | Saji Cherian | CPI(M) | 38878 |
2011 | P.C.Vishnunath | INC | 65156 | Adv.C.S.Sujatha | CPM | 52656 |