West Bengal, Tamil Nadu, Assam, and Puducherry bypolls: Constituencies, candidates, result date and more

Upcoming by-elections for five assembly constituencies and one Lok Sabha seat across West Bengal, Tamil Nadu, Assam, and Puducherry are scheduled for October 6, 2026. These polls were triggered by the resignations of various elected officials.
Why it matters
These elections are significant for regional political stability and the shifting balance of power in the respective state legislatures and the national parliament.
Five Assembly constituencies in West Bengal, Tamil Nadu, and Puducherry, and one Lok Sabha seat in Assam are heading for byelections. The byelections were necessitated following the resignations of elected legislators across the three States and the Union Territory for various reasons. Here’s all you need to know about the upcoming bypolls:
The election for all the six seats will be held on October 6, 2026. The nomination process closed on September 16 and the election process is to be completed by October 11.
The counting of votes will be held on October 9.
Madurantakam and Dharapuram constituencies in Tamil Nadu, Thattanchavady constituency in Puducherry, Rejinagar and Nandigram constituencies in West Bengal head to the bypolls on Tuesday, along with the Nagaon Lok Sabha constituency in Assam.
In Tamil Nadu, vacancies arose in Madurantakam and Dharapuram following the resignations of Maragatham Kumaravel and P. Sathyabama, respectively.
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