NEMOM
V. J. Thankappan (CPIM) declared elected by a margin of 20755 votes.
Total electorate: 126562
Votes polled: 96010
| Name of the Candidate | Party | Votes |
| V. J. Thankappan | CPIM | 47748 |
| V. S. Maheswaran Pillai | NDPP | 26993 |
| P. Asok Kumar | HM | 17958 |
| Ind | 9 | 2436 |
| S. N. Krishna Pillai | CMP | 163 |
| Invalid: | 712 |
In 1982, K. Karunakaran (Cong-I) won by a margin of 3348 votes.
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