Dr.Sathish Christopher of TVK won the Radhapuram Assembly constituency (Tirunelveli district, Deep South) in the Tamil Nadu 2026 election, taking 34.99% of 199,931 votes cast. The winning margin over Appavu.M (DMK) was 12,313 votes, or 6.16 percentage points. The seat flipped from DMK to TVK since 2021.

TVK
Winning party
34.99%
Winner vote share
12,313
Margin (6.16%)
DMK → TVK
2021 → 2026 winner

Full candidate results, Radhapuram 2026

#CandidatePartyVotesVote %
1Dr.Sathish Christopher WinnerTVK69,947
2Appavu.M 2ndDMK57,634
3Balakrishnan.S.PBJP52,637
4Girija Thamaraipandian.DNTK15,370
5Daniel.AIND819
6Pon Santhana Kumaran.RIND482
7NotaNOTA469
8Essakkiammal.EBahujan Samaj Party331
9Selvan.TIND285
10Karthick.VIND232
11Manikandan.LIND223
12Manikandan.SIND205
13Anand PrasadIND195
14Manikandan.A.IIND164
15Jesurajendran.JNaam Indiar Party163
16Kingsly Isacc Jebaraj.SIND134
17Murugan.PThamizhaka Padaippalar Makkal Katchi121
18MahalakshmiPuthiya Makkal Tamil Desam Katchi103
19Sundarajan.SIND93
20Jeyaraj.P V SIND92
21Ananthi.RIND76
22Oliver Anton Navamoni. SIND70
23Rajan.PIND52
24ArunrajIND34

How Radhapuram compares to 2021

YearWinning candidatePartyVote share
2021M.AppavuDMK43.95%
2026DR.SATHISH CHRISTOPHERTVK34.99%

The seat changed hands, a swing of -8.96 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.