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Six seats across India head to polls in key by-election battle

Voters in Assam, West Bengal, Tamil Nadu and Puducherry will decide contests for one Lok Sabha seat and five Assembly positions on Tuesday. The elections will test political strength in strategically important constituencies across multiple states.

LSN India · 5 October 2026

Six seats across India head to polls in key by-election battle

Six constituencies across South and Southeast Asia's electoral map went to the polls on Tuesday in a significant mid-term electoral exercise spanning four states and one union territory.

The contests included Nagaon Lok Sabha seat in Assam alongside five Assembly constituencies: Nandigram and Rejinagar in West Bengal, Maduranthakam and Dharapuram in Tamil Nadu, and Thattanachavadi in Puducherry.

The by-elections assume particular importance as they provide an early indicator of voter sentiment in key political battlegrounds. Nandigram and Rejinagar in West Bengal have emerged as high-profile contests, while the Tamil Nadu seats carry significance in a state where competition between the DMK and AIADMK alliances remains intense.

The Nagaon Lok Sabha seat in Assam represents the sole parliamentary constituency among the six positions on the ballot. The election in the northeastern state carries weight as Assam heads toward state assembly elections, making the by-poll outcome a potential barometer of political momentum.

Results from the by-elections are expected to provide stakeholders across these regions with crucial data on voter preferences ahead of larger electoral contests in the coming months. Polling officials reported steady voter turnout throughout the day across all six constituencies.