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17 Jul 2026POLITY3 questions

The Anti-Defection Law Under Strain: Why Legislator Defections Keep Testing the Tenth Schedule

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Article summary

A political controversy in West Bengal — with a Trinamool Congress MP alleging that a wave of resignations and defections to the BJP presents a 'dirty picture' of the state's political culture — is, beneath the rhetoric, a live illustration of the strains on India's anti-defection law. That law, contained in the Tenth Schedule of the Constitution and inserted by the 52nd Amendment Act, 1985, disqualifies a legislator who voluntarily gives up party membership or votes against the party whip, while exempting a 'merger' of two-thirds of a party's legislators. The original 'split' exception was removed by the 91st Amendment Act, 2003, which also barred disqualified defectors from holding ministerial office and capped the council of ministers at 15% of the legislature. Yet defections persist through workarounds — most notably timed resignations that trigger by-elections, allowing legislators to switch sides without technically being 'disqualified'. The role of the Speaker as the sole adjudicator, and the delays that role produces, have drawn repeated Supreme Court criticism, from Kihoto Hollohan (1992) to Keisham Meghachandra Singh (2020). For UPSC aspirants, the row is a ready-made case study of the Tenth Schedule's design, loopholes and reform debate.

What this tests

recallTests whether you read the article and retained key facts.
1Q
applicationTests whether you can apply the concept to a new scenario.
1Q
analysisTests whether you can reason across multiple related facts.
1Q

Sample questions — answers revealed after test

POLITYRecallEasy

Q1. With reference to the Tenth Schedule of the Constitution of India, which one of the following statements is correct?

AThe Tenth Schedule was inserted into the Constitution by the 91st Amendment Act, 2003.
BThe one-third 'split' exception was deleted by the 91st Amendment Act, 2003, leaving only the two-thirds 'merger' exception.
CA decision of the Speaker on a disqualification petition under the Tenth Schedule is final and is not subject to judicial review.
DThe 52nd Amendment Act, 1985 capped the Council of Ministers in a State at 15% of the strength of the House, subject to a minimum of twelve.
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POLITYApplicationMedium

Q2. In a Legislative Assembly, eight of the ten members of a legislature party agree to merge their party with another party. Separately, a member of a different party resigns their seat, contests the resulting by-election on another party's ticket, and is re-elected. Under the Tenth Schedule, which one of the following correctly describes the position?

ABoth the eight merging members and the member who resigned incur disqualification for defection.
BThe eight merging members are disqualified, but the member who resigned and was re-elected is not.
CNeither is disqualified: the merger satisfies the two-thirds requirement, and resignation followed by re-election falls outside the grounds specified in the Schedule.
DNeither is disqualified, because the Tenth Schedule applies only to members of Parliament and not to State legislators.
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POLITYAnalysisHard

Q3. Consider the following statements regarding the judicial interpretation of the anti-defection law: 1. In Kihoto Hollohan v. Zachillhu (1992), the Supreme Court struck down Paragraph 7 of the Tenth Schedule and held that the presiding officer acts as a tribunal whose decisions are subject to judicial review. 2. In Keisham Meghachandra Singh v. Speaker, Manipur Legislative Assembly (2020), the Court held that disqualification petitions should ordinarily be decided within three months and suggested that Parliament consider an independent tribunal headed by a retired judge. 3. In Ravi S. Naik v. Union of India (1994), the Court held that a member 'voluntarily gives up' party membership only upon tendering a formal letter of resignation to the party. Which of the statements given above are correct?

A1 only
B1 and 2 only
C2 and 3 only
D1, 2 and 3
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