Why Mamata Banerjee lost Bhabanipur: Key factors behind TMC’s shock defeat

Why did Mamata Banerjee lose Bhabanipur? From Suvendu Adhikari’s strategy to anti-incumbency and voter shifts, here are key reasons behind TMC’s shock defeat in Bengal

By  Jasleen Kaur May 5th 2026 05:46 PM

PTC Web Desk: Bhabanipur has long been seen as a political stronghold for Mamata Banerjee, a constituency closely tied to her political journey. Over the decades, the seat has also produced influential leaders, including former Chief Minister Siddhartha Shankar Roy, making it one of Bengal’s most politically significant constituencies.

However, the latest Assembly election delivered an unexpected result. BJP leader Suvendu Adhikari defeated Mamata Banerjee by a margin of over 15,000 votes, marking a major setback for the Trinamool Congress chief in her own backyard.

Here’s a closer look at the factors that contributed to the upset:

Years in power appear to have triggered voter fatigue. Even constituencies considered safe were not immune  and Bhabanipur was no exception. The seat, once seen as a guaranteed win for the TMC, reflected growing dissatisfaction among sections of voters.

The BJP’s decision to field Suvendu Adhikari also proved crucial. Having earlier defeated Mamata Banerjee in Nandigram, he emerged as a strong contender capable of consolidating anti-TMC votes and shifting momentum in BJP’s favour.

Mamata Banerjee’s vote share saw a noticeable dip over the years, signalling a shift in voter preference. While she was actively campaigning across the state, the BJP strengthened its local presence in Bhabanipur, gaining ground at the booth level and in key wards.

The BJP focused its campaign on governance issues, corruption allegations and calls for change, rather than personal attacks. This approach appeared to resonate with voters who expressed frustration over what they described as a “threat culture” and misuse of power at the grassroots level.

The Special Intensive Revision (SIR) of electoral rolls became another point of contention. While the BJP maintained it ensured cleaner elections, the TMC alleged that deletions affected its support base, tightening the contest further.

The RG Kar hospital rape and murder case remained a sensitive issue during the elections in West Bengal. The BJP’s decision to field a candidate linked to the victim’s family brought renewed attention to the incident, potentially influencing voter sentiment against the ruling leadership.

The Bhabanipur result marks a turning point in Bengal politics, raising questions about shifting voter loyalties and the challenges ahead for the Trinamool Congress as it looks to rebuild its base.


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