Tharahai Cuthbert of INC won the Colachal Assembly constituency (Kanniyakumari district, Deep South) in the Tamil Nadu 2026 election, taking 33.27% of 199,013 votes cast. The winning margin over Prem Alex Lawrence (TVK) was 2,833 votes, or 1.42 percentage points. INC held the seat it won here in 2021.

INC
Winning party
33.27%
Winner vote share
2,833
Margin (1.42%)
INC → INC
2021 → 2026 winner

Full candidate results, Colachal 2026

#CandidatePartyVotesVote %
1Tharahai Cuthbert WinnerINC66,207
2Prem Alex Lawrence 2ndTVK63,374
3Sivakumar. TBJP54,384
4Ancy Shoba Rani. LNTK12,458
5NotaNOTA581
6Selvaraj. MIND349
7Rajasingh. CBahujan Samaj Party314
8Anthony Muthu. S.MCommunist Party of India (Marxist-Leninist) (Liberation)304
9Saravanan. MIND255
10Ganesh. NThamizhaka Padaippalar Makkal Katchi244
11Christ Miller. SAll India Puratchi Thalaivar Makkal Munnettra Kazhagam145
12Koil Raj. RNaam Indiar Party140
13Antony Alankaram. KIND134
14Murali. MTamizhaga Vaazhvurimai Katchi124

How Colachal compares to 2021

YearWinning candidatePartyVote share
2021Prince J.G.INC49.56%
2026THARAHAI CUTHBERTINC33.27%

The same party retained the seat, a swing of -16.29 percentage points in the winning vote share.

This page is part of the full Tamil Nadu 2026 election results set. Explore every seat, party efficiency, regional swing and demographics in the TN 2026 Explorer. For the wider story, see TVK’s debut mapped, the incumbents who lost, and how DMK collapsed.