BJP Secures Sweeping Victories in Bengal Bypolls While TMC Factions Collapse and Congress Gains Ground

Indian Express•Published: Oct 11, 2026 08:07 AM IST

The Bharatiya Janata Party (BJP) secured decisive victories in both the Nandigram and Rejinagar assembly constituencies during the recent bypolls, capitalizing on a major debacle among fractured Trinamool Congress (TMC) factions. Both the Mamata-led TMC and the breakaway Democratic-TMC saw their vote shares plummet drastically compared to the previous assembly elections, clearing the path for opposition shifts.

Decimated TMC Factions: The Mamata-led TMC and Democratic-TMC factions suffered massive vote share losses, dropping from previous highs of over 46% down to fractional percentages in both constituencies.
Congress Vote Surge: The Congress party emerged as a significant beneficiary, finishing as the runner-up in Nandigram with 19.25% of the vote and experiencing modest gains in Rejinagar.
Surprise BJP Wins: The BJP triumphed in Rejinagar despite the constituency having a roughly 70% minority population, alongside retaining strong dominance in Nandigram.

The Context & Background

These byelections were necessitated after Chief Minister Suvendu Adhikari and Janata Unnayan Party leader Humayun Kabir vacated the respective seats, triggering a high-stakes electoral contest amid internal political turmoil in West Bengal.

Why it matters:These bypoll results signal a profound shifting of political dynamics in West Bengal, highlighting the rapid erosion of the ruling TMC's grassroots stronghold and the resurgence of Congress as a viable opposition force. The BJP's ability to win in minority-heavy regions like Rejinagar underscores its expanding electoral footprint and challenges traditional demographic voting patterns in the state.

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