Thalavai Sundaram. N of ADMK won the Kanniyakumari Assembly constituency (Kanniyakumari district, Deep South) in the Tamil Nadu 2026 election, taking 31.38% of 239,150 votes cast. The winning margin over Mahesh.R (DMK) was 214 votes, or 0.09 percentage points. ADMK held the seat it won here in 2021.

ADMK
Winning party
31.38%
Winner vote share
214
Margin (0.09%)
ADMK → ADMK
2021 → 2026 winner

Full candidate results, Kanniyakumari 2026

#CandidatePartyVotesVote %
1Thalavai Sundaram. N WinnerADMK75,045
2Mahesh.R 2ndDMK74,831
3Madhavan.S.RTVK72,977
4Maria JenniferNTK13,689
5NotaNOTA825
6Rajan. SIND454
7Reagon Anto.JTamizhaga Vaazhvurimai Katchi301
8Srikrishnakumar.KThamizhaka Padaippalar Makkal Katchi206
9Sivalingam.CNaam Indiar Party194
10Manavai Kannan. MCommunist Party of India (Marxist-Leninist) Red Star140
11David Sahaya BascarIND117
12Ramakrishnan.CIND107
13Sudhagar.RIND93
14Thanuneelan . SIND90
15Kanagaraj.TIND81

How Kanniyakumari compares to 2021

YearWinning candidatePartyVote share
2021THALAVAI SUNDARAM N.ADMK48.8%
2026THALAVAI SUNDARAM. NADMK31.38%

The same party retained the seat, a swing of -17.42 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.