P. T. Mohanakrishnan (Cong-I) declared elected by a margin of 2133 votes.
Total electorate: 119337
Votes polled: 95776
|Name of the Candidate||Party||Votes|
|P. T. Mohanakrishnan||Cong-I||44432|
|E. K. Imbichibava||CPIM||42299|
|T. N. Baharathan||BJP||7109|
In 1982, M. P. Gangadharan (Cong-I) won by a margin of 93 votes.