R.S.Rajakannappan of DMK won the Mudhukulathur Assembly constituency (Ramanathapuram district, Deep South) in the Tamil Nadu 2026 election, taking 29.39% of 231,373 votes cast. The winning margin over Malarvizhi. B (TVK) was 16,598 votes, or 7.17 percentage points. DMK held the seat it won here in 2021.

DMK
Winning party
29.39%
Winner vote share
16,598
Margin (7.17%)
DMK → DMK
2021 → 2026 winner

Full candidate results, Mudhukulathur 2026

#CandidatePartyVotesVote %
1R.S.Rajakannappan WinnerDMK68,003
2Malarvizhi. B 2ndTVK51,405
3S.PandiADMK47,501
4Dr.R.RamkumarAll India Puratchi Thalaivar Makkal Munnettra Kazhagam40,422
5Chandra Prabha JeyapalNTK15,112
6Sathiyam C.SaravananIND2,042
7M. IrulandiNaadaalum Makkal Katchi1,250
8K.Senthil MallarTamizhaga Vaazhvurimai Katchi1,149
9C.MalaiselvamPuthiya Tamilagam993
10R.MoovendranIND486
11Ravi GovinthanIND445
12V.PandiIND440
13NotaNOTA429
14G. SelvarajPuthiya Makkal Tamil Desam Katchi339
15M.Boominathan (A) M.K.VaiyavanIND335
16K.MuruganIND208
17K.Gangai AmaranIND196
18C.KengusamyIND166
19M.Karuppa SamyIND164
20A. SaravanakumarNaam Indiar Party148
21K.RajakumarIND140

How Mudhukulathur compares to 2021

YearWinning candidatePartyVote share
2021R.S.RAJAKANNAPPANDMK46.06%
2026R.S.RAJAKANNAPPANDMK29.39%

The same party retained the seat, a swing of -16.67 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.