SIR, yes SIR: How voter deletions impacted West Bengal elections

West Bengal has turned saffron. Mamata Banerjee's 15-year regularisation has ended and Bharatiya Janata Party (BJP) is each acceptable to signifier its archetypal authorities successful the state. So, what contributed to this decisive governmental displacement successful the state’s electoral landscape? Well, determination were aggregate factors that contributed to the outcome, but the 1 that was astir contentious was the revision of the electoral rolls - SIR.

How SIR became the defining contented of the elections

The Special Intensive Revision (SIR) of electoral rolls emerged arsenic a cardinal and profoundly contested origin shaping the 2026 West Bengal electoral contest. The workout led to the removal of adjacent to 91 lakh names — astir 12% of the electorate — importantly altering the elector basal up of polling. Of these, implicit 60 lakh were classified arsenic deceased, portion the presumption of 27 lakh remained pending oregon nether scrutiny.According to assorted reports, a ample proportionality of those affected were Muslims, portion sections of the Matua assemblage and galore Hindus were besides impacted.

BJP framed the SIR arsenic a indispensable clean-up of electoral rolls aimed astatine removing ‘illegal’ oregon duplicate entries. But Mamata's enactment countered this and described the workout arsenic systematic disenfranchisement starring to unfastened warfare of words.Regardless of these competing narratives, the standard and dispersed of deletions reshaped voting trends successful a mode that coincided with BJP’s surge crossed the state. The full elector basal dropped from implicit 7.66 crore to astir 7.04 crore, excluding those inactive nether adjudication.

Electoral data: Mapping SIR deletions to outcomes

A person look astatine constituency-level outcomes suggests a beardown correlation betwixt SIR-linked deletions and BJP’s gains.BJP improved its show crossed seats that witnessed sizeable deletions, irrespective of whether the fig of names removed exceeded 25,000 oregon fell beneath that threshold. In 169 assembly constituencies wherever much than 25,000 names were deleted, TMC had dominated successful 2021, winning 128 seats compared to BJP’s 41.

This time, however, the equilibrium shifted significantly.In the remaining 124 seats, wherever deletions were little than 25,000, BJP’s tally roseate dramatically from 36 successful 2021 to 108 — marking a three-fold increase. This indicates that party’s gains were not constricted to areas with the highest deletions but extended crossed a broader electoral spectrum influenced by the revision exercise.Among the 38 constituencies wherever 'logical discrepancy' deletions were the highest, TMC had won 34 seats successful 2021.

In the existent election, its tally dropped to 22, underlining the erosion of its earlier dominance successful these pockets.Even successful high-deletion zones, however, outcomes were not uniform. Among the six constituencies with the highest SIR deletions, TMC managed to clasp lone 4 — Chowringhee, Shamsherganj, Metiaburuz and Kolkata Port — portion BJP captured Jorasanko and Howrah North. Notably, each six seats had been won by the Mamata-led enactment successful the erstwhile election.Apart from Jorasanko, BJP made important inroads successful Kolkata and bordering areas, securing victories successful Maniktala, Shyampukur and Cossipore-Belgachhia successful Kolkata North, and extended its gains to Rashbehari, Behala East, Bidhannagar, Baranagar, Dum Dum, Dum Dum North and Rajarhat-Gopalpur. It besides won seats successful Behala West, Tollygunge and Jadavpur — each constituencies that had recorded implicit 25,000 deletions and were antecedently held by Trinamool.Farakka was 1 of the exceptions. Despite witnessing implicit 25,000 deletions, BJP failed to triumph the seat. Congress campaigner Motab Shaikh, whose sanction had initially been removed during the SIR, successfully appealed done an appellate tribunal — 1 of 19 acceptable up pursuing Supreme Court directions — and secured restoration of his voting rights. He went connected to triumph the spot by beating BJP campaigner Sunil Chowdhuri with a borderline of 8,193 votes.

Margins, deletions and electoral impact

The narration betwixt deletions and triumph margins further underscores SIR’s impact. Of the 187 seats that saw implicit 5,000 names deleted, BJP won 119. In these constituencies, the fig of excluded voters exceeded the borderline of triumph successful 47 seats.Within BJP’s tally of 119 seats, 28 recorded deletions higher than the triumph borderline of its candidates. Of these, 26 had been won by Trinamool successful 2021.Among the 20 constituencies with the highest fig of deletions aft adjudication, TMC won 13, BJP six and the Congress one.

However, successful the 2021 elections, each 20 had been secured by the Trinamool, highlighting the comparative disadvantage it faced this time.

BJP's 'security fortress' to guarantee creaseless SIR process

The SIR workout was accompanied by an unprecedented information deployment. Over 2.4 lakh unit from Central Armed Police Forces were stationed crossed West Bengal — much than 3 times the levels seen successful 2021 — creating what the BJP described arsenic a ‘security fortress’.The extended deployment, coupled with tighter oversight by the Election Commission of India, became different cardinal pillar successful enabling what the BJP described arsenic “free and just voting” successful a politically volatile state.At 1 stage, Mamata approached the Supreme Court implicit the usage of lone cardinal authorities employees arsenic vote-counting supervisors, but the tribunal declined to intervene.

The Matua factor: Identity, anxiousness and consolidation

The Matua assemblage emerged arsenic different captious electoral adaptable shaped by the SIR exercise. Despite discontent implicit large-scale deletions and anxieties surrounding citizenship documentation nether the CAA, BJP retained its foothold successful Matua-dominated regions specified arsenic Bongaon and Nadia.The removal of astir 1.2 lakh names nether SIR triggered societal and governmental tensions successful these areas. In Nadia’s six assembly constituencies, implicit 90% of those placed nether adjudication did not marque it to the last electoral rolls. A akin signifier was observed successful Bongaon, wherever deletion rates ranged from 67% to 88%.Bagdah became a focal constituent of this contest, witnessing a high-profile conflict wrong the influential Thakurbari family.

BJP campaigner Soma Thakur defeated Trinamool MLA Madhuparna Thakur by 34,321 votes. BJP besides retained Bongaon Uttar and secured Haringhata with important margins.Despite concerns implicit exclusion, the Matua electorate — a marginalised Hindu sect chiefly comprising the Namasudra scheduled caste radical — appeared to consolidate down BJP.

Disenfranchisement vs electoral integrity

Clearly, the SIR workout was the astir ascendant communicative passim the elections and volition proceed to beryllium debated for times to come. The absorption sees SIR arsenic a instrumentality to people and purge its voters, portion BJP justifies it arsenic a much-needed workout to cleanse electoral rolls.