V.S. Babu of the Tamilaga Vetri Kazhagam (TVK) defeated Chief Minister M.K. Stalin (DMK) in the Kolathur constituency on Monday [1].

The loss represents a significant blow to the incumbent leader, as Kolathur had long been considered a secure stronghold for the DMK. This defeat signals a potential shift in voter sentiment across the region during the 2026 Tamil Nadu Assembly elections [2].

Results from the Chennai-based constituency showed a decisive margin for the challenger. M.K. Stalin trailed by more than 7,000 votes behind V.S. Babu [3]. The outcome marks one of the most surprising developments of the election cycle, disrupting the established political order in the capital city [4].

Local observers said the victory for the TVK candidate reflects a broader change in the political landscape of Tamil Nadu. The party's ability to penetrate a seat previously dominated by the DMK suggests a growing appetite for alternative leadership among the electorate [2].

While the DMK has traditionally maintained a firm grip on the Kolathur area, the surge of support for Babu indicates a breakdown in that dominance. The result was confirmed as part of the wider state assembly count on May 4, 2026 [1].

V.S. Babu defeated Chief Minister M.K. Stalin in the Kolathur constituency

The defeat of a sitting Chief Minister in his own stronghold is a rare occurrence in Tamil Nadu politics. It suggests that the Tamilaga Vetri Kazhagam has successfully converted its momentum into electoral viability, challenging the DMK's hegemony in urban centers like Chennai and potentially altering the balance of power in the state assembly.