K. Maragatham Kumaravel of TVK won the Madurantakam Assembly by-election (Chengalpattu district, reserved for Scheduled Castes), taking 39.96% of the 1,85,292 votes polled. The margin over I. Paranthamen (DMK) was 20,040 votes, or 10.82% of votes polled. Polling was on 6 October 2026 and the votes were counted on 9 October 2026.

TVK
Winning party
39.96%
Winner vote share
20,040
Margin (10.82%)
86.26%
Turnout
May 2026: 93.22%

Why Madurantakam went to a by-election

In the May 2026 general election the AIADMK’s K. Maragatham Kumaravel won Madurantakam by 7,194 votes (3.63%). On 25 May 2026 the MLA resigned and joined TVK, which fielded K. Maragatham Kumaravel again in the same seat. The defecting MLA won the seat back on TVK’s ticket. The AIADMK finished third.

Full candidate results, Madurantakam by-election 2026

#CandidatePartyEVMPostalTotalVote %
1K. Maragatham Kumaravel WinnerTVK73,91113774,048
2I. Paranthamen 2ndDMK53,65035854,008
3S. Kanitha SampathAIADMK47,12832247,450
4G. JanakiramanNTK2,70902,709
5P. SuganthiCPI(M)1,97791,986
6E. KrishnakanthIND990141,004
7P. N. R. BaskaranIND4970497
8V. NavindarIND4100410
9RajamaniIND3503353
10KayalvizhiIND3481349
11E. EzhilIND2652267
12M. ManokarIND2362238
13K. ElaiyarasuIND2160216
14M. RanjithamIND1540154
15N. Sathis KumarIND1376143
16K. BhuvaneswariAnaithinthiya Anna Dravida Makkal Seyal Katchi1111112
17G. Dr. MoorthyIND1120112
18K. LogeshIND91091
19S. MuruganIND86086
20M. KadirvelIND78583
21S. ArumugamIND70070
22M. JeganIND66167
23G. RajasekarDesiya Makkal Sakthi Katchi52052
24J. RavikumarRepublican Party Of India (Sivaraj)40242
25V. MuthuselvamAnti Corruption Dynamic Party39039
26M. G. RamuJebamani Janata28028
27K. ArumugamIND25126
NOTA6520652
Total8641,85,292

Madurantakam: 2021, May 2026 and the by-election

Party2021May 2026Oct 2026 bypollChange since May
TVKdid not stand31.32%39.96%+8.64 pts
AIADMK46.62%34.95%25.61%-9.34 pts
DMK44.70%30.18%29.15%-1.03 pts
NTK5.00%2.50%1.46%-1.04 pts
Leftdid not standdid not stand1.07%+1.07 pts
Others2.94%0.65%2.40%+1.75 pts
NOTA0.74%0.40%0.35%-0.05 pts
WinnerAIADMK by 3,570 (1.92%)AIADMK by 7,194 (3.63%)TVK by 20,040 (10.82%)
Votes polled1,85,8421,98,2511,85,292
Turnout80.65%93.22%86.26%

The 2021 figures are the ECI’s, as published by OpenCity. Percentages are of all votes polled, NOTA included. A party marked “did not stand” had no candidate in that election.

How the count went

TVK led in every one of the 27 rounds. Cumulative votes after each EVM round, from the ECI results pages saved during counting:

RoundTVKDMKAIADMKLeaderLead
13,5712,6112,078TVK960
27,6156,0084,301TVK1,607
312,0758,9146,759TVK3,161
415,72511,2419,691TVK4,484
520,06713,82911,442TVK6,238
623,88415,72414,065TVK8,160
727,46018,66816,201TVK8,792
831,06120,81817,851TVK10,243
934,89423,20319,554TVK11,691
1038,20025,38221,505TVK12,818
1141,30427,76323,697TVK13,541
1244,40230,09026,566TVK14,312
1346,89532,78628,664TVK14,109
1450,20635,92331,175TVK14,283
1553,97938,43033,712TVK15,549
1657,99441,25935,614TVK16,735
1761,33743,64438,433TVK17,693
1864,57846,15140,731TVK18,427
1968,07249,17542,941TVK18,897
2071,00151,38545,047TVK19,616
2172,35452,34645,743TVK20,008
2272,62252,58046,094TVK20,042
2372,84752,79846,215TVK20,049
2473,15252,93046,353TVK20,222
2573,59453,46346,981TVK20,131
2673,80153,74047,216TVK20,061
2774,04854,00847,450TVK20,040

More on this by-election

Source: Election Commission of India. Turnout figures are the ECI’s polling-day numbers as reported by DT Next, The News Minute and Free Press Journal.