IDUKKI
Mathew Stephen (KCM) declared elected by a margin of 3678 votes.
Total electorate: 150754
Votes polled: 107396
| Name of the Candidate | Party | Votes |
| Mr. Mathew Stephen | KCM | 52559 |
| Mr. Johny P. Poomattam | KC-Joseph | 48881 |
| Mr. James J. Vacha | BJP | 3040 |
| Mr. P. D. Varkey | BSP | 832 |
| Mr. James Joseph | IND | 249 |
| Mr. Mathew Mathew | IND | 152 |
| Invalid: | 1683 |
In 1987, Rosamma Chacko (Cong-I) won by a margin of 1570 votes.
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