Kamaraj. S of AMMK won the Mannargudi Assembly constituency (Thiruvarur district, Cauvery Delta) in the Tamil Nadu 2026 election, taking 35.25% of 194,100 votes cast. The winning margin over Rajaa.T.R.B (DMK) was 1,566 votes, or 0.81 percentage points. The seat flipped from DMK to Amma Makkal Munnettra Kazagam since 2021.

AMMK
Winning party
35.25%
Winner vote share
1,566
Margin (0.81%)
DMK → Amma Makkal Munnettra Kazagam
2021 → 2026 winner

Full candidate results, Mannargudi 2026

#CandidatePartyVotesVote %
1Kamaraj. S WinnerAMMK68,416
2Rajaa.T.R.B 2ndDMK66,850
3Rajarajan.UTVK44,266
4Bharathiselvan.RNTK8,240
5Rasupillai.SAll India Puratchi Thalaivar Makkal Munnettra Kazhagam1,949
6Kamaraj.AIND664
7Namasivayam.NIND659
8Govindaraj.GTamizhaga Vaazhvurimai Katchi635
9Prabhu. SIND633
10NotaNOTA405
11Kamaraj.SBahujan Samaj Party387
12Bharathi.BPuthiya Tamilagam343
13Arulprakash. PIND285
14Durai Arasan.KIND149
15Muthuvel.VTamilaga Makkal Nala Katchi115
16Marimuthu.A.V.MIND104

How Mannargudi compares to 2021

YearWinning candidatePartyVote share
2021RAJAA T R BDMK45.11%
2026KAMARAJ. SAmma Makkal Munnettra Kazagam35.25%

The seat changed hands, a swing of -9.86 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.