S.Velu of ADMK won the Chengam Assembly constituency (Tiruvannamalai district, North) in the Tamil Nadu 2026 election, taking 36.15% of 242,897 votes cast. The winning margin over K Bharathidhasan (TVK) was 13,278 votes, or 5.47 percentage points. The seat flipped from DMK to ADMK since 2021.

ADMK
Winning party
36.15%
Winner vote share
13,278
Margin (5.47%)
DMK → ADMK
2021 → 2026 winner

Full candidate results, Chengam 2026

#CandidatePartyVotesVote %
1S.Velu WinnerADMK87,802
2K Bharathidhasan 2ndTVK74,524
3M.P.GiriDMK70,346
4J.ShobaNTK6,335
5NotaNOTA1,114
6C SelvanRepublican Party of India (Athawale)895
7A.BharathiIND400
8K.VeluIND394
9A PoongodiIND197
10A.ChidambaramIND173
11M.Raman MasilamaniIND156
12K ManikandanMakkal Sananayaga Kudiyarasu Katchi149
13M.MugilarasanIND137
14P.SelvamIND120
15C.MalathiTamizhaga Vaazhvurimai Katchi84
16D DhilipkumarIND71

How Chengam compares to 2021

YearWinning candidatePartyVote share
2021GIRI.M.PDMK48.26%
2026S.VELUADMK36.15%

The seat changed hands, a swing of -12.11 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.