Supreme Court to Clarify Anti-Defection Law's Merger Exception in Goa Case

Hindustan Times - India · 24 Jun 2026 · 2 min read
Prelims · Polity Mains · GS2 Polity and constitution High relevance

The Supreme Court is set to rule on the interpretation of the Tenth Schedule's merger exception in the Goa defection case, which will determine whether political party mergers require leadership approval or merely two-thirds of legislators, impacting ongoing defections across parties.

Key points

Tenth Schedule of the Indian Constitution, introduced in 1985, outlines the anti-defection law, disqualifying legislators who voluntarily leave their party or defy party whips, with exceptions for mergers under Paragraph 4.

Paragraph 4 of the Tenth Schedule allows mergers if two-thirds of a legislature party agrees, but constitutional experts argue it requires both party leadership approval and legislator consent, as highlighted in the pending Goa case.

Goa Defection Case (Girish Chodankar vs The Speaker, Goa Legislative Assembly) involves 10 of 15 Congress MLAs defecting to BJP in 2019, with the Bombay High Court ruling that two-thirds legislator approval alone suffices for a merger, a decision now under SC review.

Subhash Desai vs Principal Secretary, Governor of Maharashtra (2023) saw the SC observe that legislators alone do not constitute a political party, though this was not a direct ruling on mergers, leaving ambiguity in the law.

[GS2-Polity] This case connects to GS2's 'Parliament and State Legislatures' topic, as it tests the integrity of legislative processes and the efficacy of constitutional safeguards against defections.

Legislature Party vs Political Party: The SC's 2023 remarks emphasized that the Tenth Schedule distinguishes between the two, warning against reducing political parties to mere groupings of legislators, which undermines democratic governance.

Recent Defections: TMC, Shiv Sena (UBT), and AAP have seen significant defections, with MPs switching to BJP or allied parties, exploiting the merger exception loophole, raising concerns about political stability and mandate subversion.

[GS3-Governance] The defection crisis highlights governance challenges in maintaining party discipline and electoral integrity, necessitating reforms to prevent misuse of legal provisions.

Way Forward: Amend the Tenth Schedule to explicitly require both party leadership and two-thirds legislator approval for mergers, establish an independent tribunal to adjudicate defection cases, and impose stricter penalties for unethical defections to restore parliamentary ethics.

Key terms

Anti-Defection Law

The anti-defection law, under the Tenth Schedule, disqualifies legislators who defect from their party or violate its directives, aiming to curb political instability. Introduced in 1985, it originally allowed splits and mergers as exceptions, but the 2003 amendment removed the split provision. Current debates focus on whether mergers require party leadership consent or merely legislator approval, a question central to the Goa case.

Tenth Schedule

The Tenth Schedule of the Indian Constitution, added in 1985, contains the anti-defection law aimed at curbing political defections. It disqualifies legislators who voluntarily give up party membership or violate party whips, with limited exceptions for mergers. Its significance lies in preserving legislative stability and party mandates, though loopholes have led to frequent misuse.

Legislature Party

A legislature party refers to the group of elected members (MLAs or MPs) belonging to a political party in a legislative body. Unlike the broader political party, it is confined to legislators. The Tenth Schedule's ambiguity around whether legislature parties can independently merge without parent party approval is a critical constitutional issue under SC scrutiny.

Subhash Desai Case

A 2023 Supreme Court Constitution Bench ruling (Subhash Desai vs Principal Secretary, Governor of Maharashtra) addressed the Shiv Sena split, asserting that legislators alone do not constitute a political party. While not directly ruling on mergers, the judgment emphasized the Tenth Schedule's intent to prevent legislative factions from overriding party leadership, influencing ongoing defection cases.