Prakasam.R of TVK won the Poonamallee Assembly constituency (Thiruvallur district, Chennai & Suburbs) in the Tamil Nadu 2026 election, taking 52.22% of 308,894 votes cast. The winning margin over Krishnaswamy.A (DMK) was 72,740 votes, or 23.55 percentage points. The seat flipped from DMK to TVK since 2021.

TVK
Winning party
52.22%
Winner vote share
72,740
Margin (23.55%)
DMK → TVK
2021 → 2026 winner

Full candidate results, Poonamallee 2026

#CandidatePartyVotesVote %
1Prakasam.R WinnerTVK161,309
2Krishnaswamy.A 2ndDMK88,569
3Elumalai.T.AAMMK43,280
4Mekala.JNTK11,697
5NotaNOTA1,571
6Rajasekaran.KBahujan Samaj Party860
7Ravikumar.MIND355
8Dr.Jayanthi.RIND304
9Sivakumar.SIND297
10Velu.SIND264
11Purushothaman.BIND255
12Dhasarathan.RIND133

How Poonamallee compares to 2021

YearWinning candidatePartyVote share
2021Krishnaswamy ADMK56.72%
2026PRAKASAM.RTVK52.22%

The seat changed hands, a swing of -4.50 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.