Watch: 7 AAP MPs officially merge with BJP: What next? | Above the Fold | 27.04.2026

Seven Rajya Sabha members from one political party formally merged with another party; the Rajya Sabha Chairman accepted the merger request on April 27, 2026...

What Happened

Seven Rajya Sabha members from one political party formally merged with another party; the Rajya Sabha Chairman accepted the merger request on April 27, 2026.
The Aam Aadmi Party (AAP) subsequently announced it would challenge the Chairman's decision in court, arguing that the merger did not meet the constitutional requirements of the Tenth Schedule.
The episode has reignited a fundamental constitutional debate: what constitutes a valid "merger" under Paragraph 4 of the Tenth Schedule, and whether a bloc migration of legislators — without the parent political party itself merging at the organisational level — qualifies for the merger exemption.
The Rajya Sabha Chairman's acceptance increased the receiving party's strength in the upper house to 113 members.
Legal scholars and former parliamentary officials have flagged that the Tenth Schedule's merger exception was designed to protect genuine party amalgamations, not facilitate individual or group defections under a procedural cloak.

Static Topic Bridges

The Tenth Schedule — Anti-Defection Law

The Tenth Schedule was inserted into the Constitution by the 52nd Constitutional Amendment Act, 1985, and came into force on March 1, 1985. It is commonly referred to as the Anti-Defection Law. Its primary purpose is to prevent the instability caused by legislators switching party allegiances after winning elections, thereby upholding the mandate of the electorate and the integrity of the parliamentary system.

Inserted by: 52nd Amendment Act, 1985 (added the Tenth Schedule and amended Articles 101, 102, 190, and 191)
Applies to: Members of Parliament (both Houses) and members of State Legislatures
Disqualification triggers (Paragraph 2):
Voluntarily giving up membership of a political party
Voting contrary to party direction or abstaining from voting without permission
Decision-maker: The Speaker of the Lok Sabha/State Assembly, or the Chairman of the Rajya Sabha, has the power to decide disqualification petitions under the Tenth Schedule
Judicial review: The Speaker/Chairman's decision is subject to judicial review by the Supreme Court and High Courts (established in Kihoto Hollohan v. Zachillhu, 1992)
Key SC judgment — Kihoto Hollohan v. Zachillhu (1992): Upheld the constitutional validity of the Tenth Schedule; held that the Speaker's/Chairman's decision is a final order subject to judicial review on limited grounds (breach of natural justice, constitutional infirmity, patent perversity)

Connection to this news: The Rajya Sabha Chairman exercised his constitutional power under the Tenth Schedule to accept the merger — a decision that the parent party has announced it will challenge before the Supreme Court.

The Merger Exception — Paragraph 4 of the Tenth Schedule

The original Tenth Schedule (1985) contained two exceptions to disqualification: (i) a "split" where at least one-third of a legislative party broke away, and (ii) a "merger" where at least two-thirds merged. The split exception was deleted by the 91st Constitutional Amendment Act, 2003, making the merger the only surviving exception.

Merger exception (Paragraph 4): A member is not disqualified if the merger is with "another political party" and at least two-thirds of the members of the legislature party concerned have agreed to the merger
Critical legal question: Paragraph 4 refers to a merger of "the original political party" with another party — meaning the merger should happen at the organisational/party level, not merely as a legislative bloc migration
In the current case: AAP's total Rajya Sabha strength was 10 members; 7 out of 10 = 70% > two-thirds — so the numerical threshold IS technically met
However: Legal experts argue that the parent party (AAP) did not merge with the other party at the organisational level — only the RS legislators moved — making it a defection disguised as a merger
The 91st Amendment (2003) removed the "split" exception (Paragraph 3) to close a loophole; the merger exception has now emerged as the new contested zone

Connection to this news: The core legal challenge is whether 7 MPs constituting two-thirds of AAP's RS strength can trigger the merger exception when the party itself has not merged — a question likely to be resolved by the Supreme Court.

Structure of the Rajya Sabha and Party Strengths

The Rajya Sabha is the upper house of Parliament (Council of States) with a maximum strength of 250 members (238 elected + 12 nominated by the President). Members are elected by the elected members of State Legislative Assemblies using the Single Transferable Vote (STV) system with proportional representation. Rajya Sabha members serve six-year terms; one-third retire every two years.

Rajya Sabha total strength: 245 members (current; 233 elected + 12 nominated as of 2026)
Majority required: 123 for a simple majority; special majority (2/3 of members present and voting + absolute majority of total membership) required for constitutional amendments
Party strength affects: Selection of House leaders, committee compositions, passage of Bills (especially Constitution Amendment Bills, Money Bills returned to LS after 14 days)
Post-merger, the receiving party's strength rose to 113 — still short of a simple majority in the Rajya Sabha
The anti-defection case directly impacts the calculation of effective floor strength for legislative business

Connection to this news: The merger's acceptance changes the floor arithmetic in the upper house — but the legal validity is pending, making any consequent legislative calculations tentative until judicial resolution.

Speaker/Chairman's Role — Constitutional and Quasi-Judicial Function

Under the Tenth Schedule, the Speaker (Lok Sabha) or Chairman (Rajya Sabha) acts as a quasi-judicial authority when deciding disqualification petitions. This dual role — as both a political figure and a constitutional adjudicator — has been a persistent source of controversy, with critics arguing that Speakers/Chairmen from ruling parties lack impartiality.

The Supreme Court has repeatedly observed (Nabam Rebia case, 2016; Subhash Desai case, 2023) that Speakers should decide disqualification cases expeditiously
In Subhash Desai v. Principal Secretary, Governor of Maharashtra (2023), the SC held that the Speaker cannot defer disqualification petitions indefinitely, and reaffirmed judicial power to set timelines
The SC has also held that a Speaker facing a no-confidence motion cannot decide disqualification petitions (Nabam Rebia, 2016)
Reform proposals: The Law Commission (170th Report, 1999) and several constitutional scholars have recommended transferring the disqualification power to an independent tribunal (e.g., the Election Commission)

Connection to this news: The Rajya Sabha Chairman's swift acceptance of the merger has been questioned on grounds of procedural propriety, echoing longstanding debates about the impartiality of the presiding officer in anti-defection proceedings.

Key Facts & Data

Constitutional provision: Tenth Schedule, inserted by the 52nd Amendment Act, 1985
Merger exemption: Paragraph 4 — requires at least two-thirds of the legislature party's members to agree; the original party must merge with another party
Split exception: Deleted by the 91st Amendment Act, 2003 (earlier required 1/3 to split)
Decision-maker: Speaker (Lok Sabha/State Assembly) or Chairman (Rajya Sabha)
Landmark case: Kihoto Hollohan v. Zachillhu, 1992 — SC upheld Tenth Schedule constitutionality; decisions subject to judicial review
Subhash Desai case, 2023: SC affirmed courts can set timelines for Speaker's decision on disqualification
In the current case: 7 out of AAP's 10 RS members = 70% (>2/3) — numerical threshold met; legal dispute is on organisational-level merger requirement
Post-merger RS strength of receiving party: 113
Rajya Sabha total membership: 245 (233 elected + 12 nominated); simple majority = 123
Maximum Rajya Sabha strength: 250 (Article 80)