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Defections Surge in Parliament: Shiv Sena Split, TMC Rebellion & Impact on Anti‑Defection Law

Six Shiv Sena (UBT) MPs have joined the Eknath Shinde faction, meeting the two‑thirds merger rule under the Tenth Schedule, while similar defections by TMC and AAP members are boosting the NDA’s strength. The episode highlights loopholes in the anti‑defection law and underscores the need for judicial clarity and possib…
Defections Surge in Parliament India is witnessing a rapid wave of party‑switching by elected representatives. Recently, six Shiv Sena (UBT) MPs have moved to the Eknath Shinde faction . Their numbers meet the two‑thirds threshold that triggers a “merger” under the Tenth Schedule , allowing them to avoid disqualification. Key Developments Six Shiv Sena (UBT) MPs join the Eknath Shinde faction, meeting the two‑thirds merger rule. A rebel bloc of 20 TMC Lok Sabha MPs, led by Kakoli Ghosh Dastidar , aligns with the NDA . In April, seven AAP Rajya Sabha members switched to the BJP, cutting AAP’s upper‑house strength from 10 to 3 . Three TMC Rajya Sabha members — Sukhendu Sekhar Ray , Sushmita Dev and Prakash Chik Baraik — have resigned. Important Facts The anti‑defection law was tightened in 2003 by removing the “split” provision, which previously allowed one‑third of legislators to defect without penalty. Only the merger exception remains. The Supreme Court has ruled that a merger must involve the parent party, not just its legislative wing, but many cases are still pending. Consequently, the practical effect is that parties can engineer “splits” and label them as “mergers” to bypass disqualification. These defections have increased the ruling NDA ’s numbers in both houses, yet the coalition still lacks the two‑thirds majority required for a constitutional amendment . Using defections to approach that threshold undermines the spirit of the law. UPSC Relevance Understanding the anti‑defection law is essential for GS‑2 (Polity) . Aspirants should note how the Tenth Schedule operates, the significance of the merger exception , and the role of the Supreme Court in interpreting it. The episode also illustrates challenges to representative democracy and the constitutional safeguard of a super‑majority for amendments. Way Forward To preserve the anti‑defection law’s intent, the following steps are advisable: Fast‑track pending Supreme Court judgments on the definition of “merger”. Consider legislative amendment to clarify that only a merger of the entire party, not a faction, can invoke the exception. Strengthen the role of the Speaker and Chairman in scrutinising merger claims. Promote political ethics through awareness programmes for elected representatives. These measures would reinforce the constitutional balance between party discipline and individual conscience, a core concern for future civil servants.
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Key Insight

Defections test the limits of India’s anti‑defection law and merger rule.

Key Facts

  1. Six Shiv Sena (UBT) MPs joined the Eknath Shinde faction, meeting the two‑thirds merger threshold.
  2. Twenty TMC Lok Sabha MPs, led by Kakoli Ghosh Dastidar, have aligned with the NDA.
  3. In April 2026, seven AAP Rajya Sabha members defected to the BJP, cutting AAP’s strength from 10 to 3.
  4. Three TMC Rajya Sabha members – Sukhendu Sekhar Ray, Sushmita Dev and Prakash Chik Baraik – resigned.
  5. The anti‑defection law was tightened in 2003 by removing the one‑third “split” provision; only the two‑thirds merger exception remains.
  6. The Supreme Court has ruled that a merger must involve the whole party, not just its legislators, but many cases are still pending.
  7. Even after the defections, the NDA does not have a two‑thirds majority needed for a constitutional amendment in either house.

Background

The Tenth Schedule of the Constitution contains the anti‑defection law. It disqualifies members who leave their party or defy a party whip, except when at least two‑thirds of a party’s legislators merge with another party. The 2003 amendment removed the earlier one‑third split loophole, making the merger clause the only escape route. Recent defections show how parties try to use this clause, while the Supreme Court’s interpretation limits its use to a full‑party merger.

UPSC Syllabus

  • Prelims_GS — Constitution and Political System
  • GS2 — Parliament and State Legislatures - structure, functioning, powers and privileges
  • Prelims_GS — National Current Affairs
  • GS2 — Executive and Judiciary - structure, organization and functioning

Mains Angle

GS‑2 (Polity) – discuss the effectiveness of the anti‑defection law, the Supreme Court’s merger interpretation, and propose reforms to safeguard democratic accountability.

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Overview

Full Article

Defections Surge in Parliament

India is witnessing a rapid wave of party‑switching by elected representatives. Recently, six Shiv Sena (UBT) MPs have moved to the Eknath Shinde faction. Their numbers meet the two‑thirds threshold that triggers a “merger” under the Tenth Schedule, allowing them to avoid disqualification.

Key Developments

  • Six Shiv Sena (UBT) MPs join the Eknath Shinde faction, meeting the two‑thirds merger rule.
  • A rebel bloc of 20 TMC Lok Sabha MPs, led by Kakoli Ghosh Dastidar, aligns with the NDA.
  • In April, seven AAP Rajya Sabha members switched to the BJP, cutting AAP’s upper‑house strength from 10 to 3.
  • Three TMC Rajya Sabha members — Sukhendu Sekhar Ray, Sushmita Dev and Prakash Chik Baraik — have resigned.

Important Facts

The anti‑defection law was tightened in 2003 by removing the “split” provision, which previously allowed one‑third of legislators to defect without penalty. Only the merger exception remains. The Supreme Court has ruled that a merger must involve the parent party, not just its legislative wing, but many cases are still pending. Consequently, the practical effect is that parties can engineer “splits” and label them as “mergers” to bypass disqualification.

These defections have increased the ruling NDA’s numbers in both houses, yet the coalition still lacks the two‑thirds majority required for a constitutional amendment. Using defections to approach that threshold undermines the spirit of the law.

Exam Relevance

Understanding the anti‑defection law is essential for GS‑2 (Polity). Aspirants should note how the Tenth Schedule operates, the significance of the merger exception, and the role of the Supreme Court in interpreting it. The episode also illustrates challenges to representative democracy and the constitutional safeguard of a super‑majority for amendments.

Way Forward

To preserve the anti‑defection law’s intent, the following steps are advisable:

  • Fast‑track pending Supreme Court judgments on the definition of “merger”.
  • Consider legislative amendment to clarify that only a merger of the entire party, not a faction, can invoke the exception.
  • Strengthen the role of the Speaker and Chairman in scrutinising merger claims.
  • Promote political ethics through awareness programmes for elected representatives.

These measures would reinforce the constitutional balance between party discipline and individual conscience, a core concern for future civil servants.

Read Original on hindu

Defections test the limits of India’s anti‑defection law and merger rule.

Key Facts

  1. Six Shiv Sena (UBT) MPs joined the Eknath Shinde faction, meeting the two‑thirds merger threshold.
  2. Twenty TMC Lok Sabha MPs, led by Kakoli Ghosh Dastidar, have aligned with the NDA.
  3. In April 2026, seven AAP Rajya Sabha members defected to the BJP, cutting AAP’s strength from 10 to 3.
  4. Three TMC Rajya Sabha members – Sukhendu Sekhar Ray, Sushmita Dev and Prakash Chik Baraik – resigned.
  5. The anti‑defection law was tightened in 2003 by removing the one‑third “split” provision; only the two‑thirds merger exception remains.
  6. The Supreme Court has ruled that a merger must involve the whole party, not just its legislators, but many cases are still pending.
  7. Even after the defections, the NDA does not have a two‑thirds majority needed for a constitutional amendment in either house.

Background & Context

The Tenth Schedule of the Constitution contains the anti‑defection law. It disqualifies members who leave their party or defy a party whip, except when at least two‑thirds of a party’s legislators merge with another party. The 2003 amendment removed the earlier one‑third split loophole, making the merger clause the only escape route. Recent defections show how parties try to use this clause, while the Supreme Court’s interpretation limits its use to a full‑party merger.

UPSC Syllabus Connections

Prelims_GS•Constitution and Political SystemGS2•Parliament and State Legislatures - structure, functioning, powers and privilegesPrelims_GS•National Current AffairsGS2•Executive and Judiciary - structure, organization and functioning

Mains Answer Angle

GS‑2 (Polity) – discuss the effectiveness of the anti‑defection law, the Supreme Court’s merger interpretation, and propose reforms to safeguard democratic accountability.

Analysis

Related PYQs

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Practice Questions

GS2
Medium
mcq

Anti‑defection law / Tenth Schedule

1 marks
4 keywords
GS2
Easy
short_answer

Supreme Court interpretation of merger clause

5 marks
4 keywords
GS2
Hard
essay

Effectiveness of anti‑defection law in Indian democracy

15 marks
5 keywords
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Defections Surge in Parliament: Shiv Sena ... | UPSC Current Affairs