Mamata Banerjee loses Bhabanipur to Suvendu Adhikari by 15,114 votes
Synopsis
Mamata Banerjee has now lost to Suvendu Adhikari twice — first by under 2,000 votes in Nandigram in 2021, and now by 15,114 votes in her own Bhabanipur stronghold. The widening margin tells a story of accelerating political decline for the TMC chief, who once treated South Kolkata as unassailable territory.
Key Takeaways
Mamata Banerjee lost Bhabanipur to Suvendu Adhikari by 15,114 votes on 4 May 2026 .
This is her second consecutive defeat to Adhikari — she lost Nandigram by under 2,000 votes in 2021 .
Adhikari contested and won both Bhabanipur and Nandigram simultaneously; his Nandigram margin was approximately 9,000 votes .
Banerjee is only the second sitting Chief Minister of West Bengal to lose an assembly seat, after the late Buddhadeb Bhattacharjee in 2011 .
Adhikari credited voters of non-Muslim communities in Bhabanipur for his larger margin, citing a higher Muslim voter share in Nandigram for his narrower margin there.
Outgoing West Bengal Chief Minister Mamata Banerjee was defeated on Monday, 4 May 2026, by Leader of the Opposition Suvendu Adhikari from the Bhabanipur assembly constituency by a margin of 15,114 votes. The result marks the second consecutive electoral defeat of a sitting Chief Minister of West Bengal — and the second time Adhikari has personally beaten Banerjee at the polls.
A Second Defeat at Adhikari's Hands
The first time Banerjee fell to Adhikari was in the 2021 West Bengal assembly elections, when she lost the Nandigram constituency by a margin of just under 2,000 votes. The 2026 defeat from Bhabanipur — her political stronghold — is far more emphatic, with the margin widening to over 15,000 votes. Notably, Adhikari contested from both Bhabanipur and Nandigram simultaneously this time, winning both seats. His victory margin in Nandigram stood at approximately 9,000 votes — narrower than his Bhabanipur margin, which Adhikari attributed to a higher proportion of Muslim voters in Nandigram.
What Adhikari Said After the Win
Speaking to media persons following his Bhabanipur victory, Adhikari said he had predicted this outcome from the outset. He told reporters: "Since the beginning, he had been claiming that just as he defeated Mamata Banerjee from Nandigram in 2021, he would defeat her this time from Bhabanipur. That has happened exactly this time." He added: "In Bhabanipur, I did not get the Muslim votes. But the people from all the other religions from Bhabanipur ensured my victory. In Nandigram, my margin is lesser since the percentage of Muslim voters there is more than that in Bhabanipur."
A Historic Parallel: Buddhadeb Bhattacharjee's Defeat in 2011
Banerjee is now the second sitting Chief Minister of West Bengal to lose an assembly election. The first was the late Buddhadeb Bhattacharjee, who was defeated in his traditional constituency of Jadavpur in South 24 Parganas district in 2011 — the same year that ended the 34-year Left Front regime in the state. He was beaten by All India Trinamool Congress (TMC) candidate Manish Gupta. After that loss, Bhattacharjee never contested another election and passed away in August 2024.
What This Means for West Bengal Politics
Banerjee's back-to-back defeats — both at the hands of her once-close confidant Adhikari — represent a dramatic personal and political reversal for the TMC supremo who has dominated Bengal politics since 2011. Her loss from Bhabanipur, a constituency she had previously treated as a safe seat, signals a significant erosion of her personal vote bank. This is the first time in West Bengal's post-Independence history that a sitting Chief Minister has lost their seat twice in succession. With Banerjee's legislative position now untenable, questions around the TMC's leadership and the state's political direction are expected to dominate the coming weeks.
Point of View
A constituency she cultivated as her personal fortress, suggests that the personal loyalty she once commanded in South Kolkata has fractured. The widening margin from under 2,000 in 2021 to over 15,000 in 2026 indicates structural erosion, not a one-off upset. For the TMC, the deeper crisis is succession: the party was built around one personality, and that personality has now lost a direct mandate twice. Whether the party can reinvent itself without Banerjee holding a legislative seat is the defining question for Bengal politics going forward.
NationPress
11 Aug 2026
Frequently Asked Questions
Who defeated Mamata Banerjee in Bhabanipur in 2026?
Suvendu Adhikari, the Leader of the Opposition in the West Bengal assembly, defeated Mamata Banerjee in the Bhabanipur constituency on 4 May 2026 by a margin of 15,114 votes. This was the second time Adhikari defeated Banerjee, having previously beaten her in Nandigram in the 2021 assembly elections.
How does Mamata Banerjee's 2026 Bhabanipur loss compare to her 2021 Nandigram defeat?
In 2021, Banerjee lost to Adhikari in Nandigram by a margin of just under 2,000 votes. In 2026, the margin in Bhabanipur widened dramatically to 15,114 votes, suggesting a significant increase in Adhikari's support base in South Kolkata.
Which other West Bengal Chief Minister lost an assembly election while in office?
The late Buddhadeb Bhattacharjee lost his Jadavpur seat in 2011 to TMC candidate Manish Gupta, becoming the first sitting Chief Minister of West Bengal to be defeated. Banerjee is now the second; Bhattacharjee never contested another election and passed away in August 2024.
Why did Suvendu Adhikari win Bhabanipur by a larger margin than Nandigram?
According to Adhikari, Bhabanipur has a lower proportion of Muslim voters compared to Nandigram. He credited voters from all non-Muslim communities in Bhabanipur for his margin of 15,114, while his Nandigram margin was approximately 9,000 votes.
What happens to Mamata Banerjee's position as Chief Minister after this defeat?
Banerjee has been referred to as the outgoing Chief Minister following the election result. Under constitutional convention, a Chief Minister who loses their assembly seat cannot continue in office, making her political future and the TMC's leadership arrangement the central question for West Bengal governance.
