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ECI's 'Logical Discrepancy' Algorithm Deletes 27.10 Lakh Voters in West Bengal's SIR 2025-26

PolityCORE
Target:UPSC GS-IIMPSCSSC GATeachingPrelims HighMains HighStatic GK Link
20 Apr 2026
~2 min
Source: Indian Express
Key Data:27.10 lakh voters deleted2002 Electoral RollApril 21, 2026April 27, 20261.36 crore names narrowed60.06 lakh under adjudication
Bodies:Election Commission of IndiaSupreme Court of India
Practice MCQs from today's news ▸
What This Article Covers

1.The Election Commission of India (ECI) has used an unprecedented 'logical discrepancy' algorithm to delete 27.10 lakh voters from West Bengal's electoral rolls during a Special Intensive Revision (SIR).

2.The algorithm flagged voters based on criteria like age gaps with parents/grandparents and multiple progeny, but many deletions affected individuals with valid documents linked to the foundational 2002 electoral roll.

3.The Supreme Court intervened, directing the ECI to issue supplementary lists by April 21/27, 2026, providing a last chance for inclusion, highlighting tensions between technological efficiency and fundamental voter rights.

The Big Picture
Prelims · HighMains · High

The Election Commission of India's (ECI) use of a new 'logical discrepancy' algorithm during a Special Intensive Revision (SIR) in West Bengal has led to the deletion of 27.10 lakh voters, raising serious questions about electoral inclusivity and due process. For exam aspirants, this is a critical case study on the functioning of a constitutional body, the fine balance between electoral roll purity and voter rights, and the role of judicial oversight.

Exam Lens

Quick Exam Facts From News

Voters Deleted in WB27.10 lakh
SIR Process Started For12 states/UTs (2025)
Key Reference Year2002 Electoral Roll
SC Deadline (Phase 1)April 21, 2026

1-Minute Revision

  • ›Voters Deleted in WB: 27.10 lakh
  • ›SIR Process Started For: 12 states/UTs (2025)
  • ›Target this Data: 27.10 lakh voters deleted in West Bengal's SIR.
  • ›Target this Nodal Body: Election Commission of India (Constitutional Body under Article 324).
  • ›Target this Legal Point: Supreme Court's intervention setting deadlines (April 21/27, 2026) for supplementary lists.

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Practice exam-style questions, track your score, and strengthen your recall.

Q1Static LinkageEasy

The Election Commission of India, which conducted the Special Intensive Revision discussed in the news, is established under which Article of the Constitution?

Q2Statement-basedHard

Consider the following statements regarding the 'logical discrepancy' criteria used by the Election Commission of India (ECI) in West Bengal:

1. It included checking for an age gap of less than 15 years or more than 15 years between an elector and their parent.

2. It flagged electors if six or more people were mapped as progeny of one person.

3. These criteria were explicitly mentioned in the ECI's original order for the Special Intensive Revision (SIR) issued in June 2024.

Which of the statements given above is/are correct?

Q3Data-centricMedium

According to the article, how many voters were finally deleted from the electoral roll in West Bengal after the adjudication process based on 'logical discrepancies'?

Q4Application/ImpactMedium

What was a primary criticism raised by former election commissioners regarding the ECI's use of the 'logical discrepancy' algorithm in West Bengal?

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