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Fractured mandates, shifting ground: How minority vote splits reshaped Bengal's political map

By Mohd Ziyaullah Khan* 
In a dramatic turn that has unsettled West Bengal's long-standing electoral patterns, the Bharatiya Janata Party (BJP) has made significant gains — not just in its traditional pockets, but strikingly in Muslim-dominated districts that were once considered strongholds of the All India Trinamool Congress (TMC). For years, districts like Murshidabad, Malda, and Uttar Dinajpur formed the backbone of TMC's electoral dominance, largely due to the consolidation of minority votes. This time, however, a quiet but decisive shift occurred: that once-unified vote fractured, altering outcomes across dozens of constituencies.
The electoral data underscores the scale of this shift. Across 43 assembly seats in these three districts, the BJP surged from just 8 seats in 2021 to 19, while the TMC's tally dropped from 35 to 22. The remaining seats were divided among Congress, CPI(M), and smaller regional players such as the Aam Janata Unnayan Party (AJUP). This redistribution reflects not merely a gain for the BJP, but a diffusion of votes that significantly weakened the TMC's once-reliable support base.
Murshidabad, where Muslims constitute over 66% of the population, exemplifies this transformation. In 2021, the TMC had secured 20 out of 22 seats. This time, its tally dropped sharply to 9, with the BJP matching it seat for seat — an extraordinary leap from just 2 seats earlier. The fragmentation of votes among Congress, CPI(M), and regional outfits like AJUP played a decisive role. Constituencies such as Raninagar, Domkal, Rejinagar, and Nowda witnessed multi-cornered contests where divided minority votes diluted the TMC's advantage.
The Special Intensive Revision (SIR) of electoral rolls — during which nearly 7.8 lakh names were reportedly deleted in Murshidabad alone — formed a critical backdrop to the election. While the TMC argued that these deletions disproportionately impacted its voter base, analysts suggest that vote fragmentation ultimately had a more tangible effect. Instead of consolidating in response to perceived disenfranchisement, minority voters dispersed across multiple parties, weakening the TMC in closely contested seats.
A parallel consolidation simultaneously occurred among Hindu voters in several constituencies. In seats like Kandi and Nabagram, the BJP capitalised on this cohesion to secure victories that might have been difficult in a bipolar contest. This dual dynamic — fragmentation on one side and consolidation on the other — proved crucial in tilting the balance.
Malda and Uttar Dinajpur mirrored this broader trend. In Malda, the BJP increased its tally from 4 to 6 seats, while the TMC's hold weakened amid a divided opposition landscape. The Congress, despite limited victories, retained enough influence to cut into the TMC's margins. In Uttar Dinajpur, the BJP doubled its seats from 2 to 4, while the TMC slipped from 7 to 5. In several constituencies, the combined vote share of Congress and Left candidates exceeded the margin by which the TMC lost — highlighting the decisive impact of division. Similar trends were also visible beyond these three districts, in parts of South 24 Parganas and Birbhum, where fragmented minority voting combined with consolidated opposition support enabled the BJP to expand its footprint into unexpected regions.
The results mark a clear departure from 2021, when the TMC successfully positioned itself as the primary bulwark against the BJP, leading to overwhelming minority consolidation amid the debates around the NRC and CAA. This time, that strategic unity appears to have weakened. Sections of minority voters returned to Congress and Left parties, while others supported emerging regional players, producing a fragmented mandate that diluted the TMC's electoral advantage.
The BJP, for its part, approaches elections like a disciplined war machine — learning quickly, adapting sharply, and executing with organisational precision. After the 2024 general elections, it recalibrated its strategy and went on to secure back-to-back victories in key states, with Bengal and Assam being the most recent examples. The INDIA bloc, despite gaining momentum in 2024, failed to build on it. Internal ego clashes, lack of coordination, and the absence of a clear ground strategy left it fragmented and reactive. Instead of presenting a cohesive and credible alternative, the opposition conceded ground even before the contest truly began.
What emerges from this election is not just a story of the BJP's rise, but of an opposition that lost its most reliable advantage — vote consolidation. The era of predictable vote blocs appears to be fading, replaced by a more fluid and fragmented political landscape. For the TMC, the challenge lies in rebuilding trust and regaining cohesion among its traditional base. For the broader opposition, the lesson is starker still: disunity is not merely a weakness — it is a decisive liability. Bengal is entering a new political phase where identity, strategy, and ground organisation will matter more than ever. In this evolving landscape, elections will no longer be decided by predictable blocs, but by who can build trust, coherence, and a credible alternative.
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*Freelance content writer and editor based in Nagpur; co-founder of TruthScape, a digital collective fighting disinformation on social media

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