M.K. Stalin lost Kolathur by 8,795 votes to V.S. Babu of TVK, his own former associate. Stalin had won the same seat in 2021 by 70,384 votes.
He is one of 93 sitting MLAs who defended their 2021 seat in 2026 and lost. 64 of those defeats came from TVK directly. Of the outgoing 234 incumbents, only 56 retained their seats. The cabinet is gone.
| Incumbent | Party | Won 2021 by | Lost 2026 by | Now | |
|---|---|---|---|---|---|
| Krishnaswamy APoonamallee · AC 5 | DMK | +94,110 | → | −72,740 | TVK |
| M.K. Stalin CHIEF MINISTERKolathur · AC 13 | DMK | +70,384 | → | −8,795 | TVK |
| P. Geetha JeevanThoothukkudi · AC 214 | DMK | +50,310 | → | −37,731 | TVK |
| Anbil Mahesh Poyyamozhi SCHOOL EDUCATION MIN.Thiruverambur · AC 142 | DMK | +49,697 | → | −8,705 | TVK |
| Palanivel Thiaga Rajan FORMER FIN. MIN.Madurai Central · AC 193 | DMK | +34,176 | → | −19,128 | TVK |
| Kandasamy V.P.Sulur · AC 116 | ADMK | +31,932 | → | −4,790 | TVK |