Durai. Chandrasekaran of DMK won the Thiruvaiyaru Assembly constituency (Thanjavur district, Cauvery Delta) in the Tamil Nadu 2026 election, taking 36.21% of 222,111 votes cast. The winning margin over Mathi. Manikandan (TVK) was 8,555 votes, or 3.85 percentage points. DMK held the seat it won here in 2021.

DMK
Winning party
36.21%
Winner vote share
8,555
Margin (3.85%)
DMK → DMK
2021 → 2026 winner

Full candidate results, Thiruvaiyaru 2026

#CandidatePartyVotesVote %
1Durai. Chandrasekaran WinnerDMK80,425
2Mathi. Manikandan 2ndTVK71,870
3Velu. KarthikeyanAMMK55,121
4Durai. SenthilnathanNTK10,681
5Vijaya BabuTamizhaga Vaazhvurimai Katchi1,130
6NotaNOTA948
7Rajasekaran. SIND357
8V. VenuPuthiya Tamilagam352
9R. RajkumarIND306
10S. VijayakumarAnna Puratchi Thalaivar Amma Dravida Munnetra Kazhagam293
11R. SathiyanarayananIND178
12JayaindhraeswaranIND167
13Er.S. ArjunIND156
14AbimanIND127

How Thiruvaiyaru compares to 2021

YearWinning candidatePartyVote share
2021DURAI.CHANDRASEKARANDMK48.82%
2026DURAI. CHANDRASEKARANDMK36.21%

The same party retained the seat, a swing of -12.61 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.