SC
Supreme Court Declines CBI Probe Petition Over Tamil Nadu Legislators Switching Parties
Nyaya Prep • Published • Updated • 4 min read

Petition declined
The Supreme Court declined to entertain a writ petition seeking a Central Bureau of Investigation probe into allegations associated with former AIADMK legislators who resigned from the Tamil Nadu Assembly and joined Tamilaga Vettri Kazhagam. The case is M. Srinivasan v. Union of India, W.P.(C) No. 1398 of 2026, Diary No. 35724 of 2026. Chief Justice Surya Kant, Justice Joymalya Bagchi and Justice V. Mohana heard the matter on October 26. No CBI investigation or new election rule was ordered.
The procedural outcome matters because a petition may put serious allegations before a court without establishing them. The Bench’s refusal did not decide that the alleged political conduct was proper in every respect, but it also did not accept the claim that the Court should take over or redirect an investigation. Justice Bagchi orally said that, if an FIR had already been registered, it should be investigated in the normal course and the law should take its course.
Reliefs the petitioner requested
The petitioner sought directions for a CBI case against named former AIADMK legislators. He alleged horse trading after the 2026 Assembly election and questioned the resignations and party switch. The petition also asked the Supreme Court, using Article 142 of the Constitution, to frame stringent temporary rules concerning legislators who resign or are disqualified, pending action by Parliament.
Further prayers concerned election expenditure. The petitioner wanted authorities to recover the public cost of elections from resigning legislators and require some of them to meet the cost of forthcoming byelections. He also asked for a restriction on their ability to recontest the same constituencies. These were requested remedies, not legal obligations imposed by the Court.
The petition was drawn by advocate M. Dhandapani and filed through Advocate-on-Record Achintya Tiwari. The Court’s response focused on the limits of the requested judicial intervention and the existence of ordinary legal processes for any registered FIR.
The legal distinction
Resignation from a legislature, a later party switch and an alleged criminal act are different legal propositions. A political decision to resign does not by itself prove a criminal conspiracy. If investigators have evidence supporting an offence, the registered case can be examined under the applicable criminal procedure. The Court’s oral observation that there was “nothing criminal” in simply resigning to join another party should therefore not be stretched into immunity for independently alleged misconduct.
The petition also raised concerns commonly described in anti-defection debates. The Tenth Schedule to the Constitution regulates disqualification for defection in specified circumstances. The Court did not interpret its provisions in a reasoned judgment in this hearing, nor did it amend them. It refused the invitation to write an interim rulebook for the political situation placed before it.
This case must be separated from K. Suthan v. Union of India, where the Supreme Court issued notice on October 27 about a proposed mechanism for byelection expenditure when legislators resign and recontest. That separate notice kept a legal question open. The Srinivasan petition, by contrast, was not entertained. Treating the two proceedings as one would reverse their different outcomes.
Consequence for the parties
The immediate result is that the petitioner obtained none of the requested CBI, cost-recovery or candidate-restriction orders. If a criminal FIR exists, it remains subject to investigation under ordinary law. The Court made no finding of guilt against the named legislators and did not direct any new prosecution. Public debate about the cost and incentives of midterm resignations may continue, but legal change would require a competent legislative or judicial basis.
For law students, the proceeding illustrates the difference between a broad public-law petition and an identified statutory violation. A court may decline to create a proposed regulatory scheme while leaving a fact-specific criminal process available. It also shows why oral remarks at a hearing should be reported with care: the operative outcome was refusal to entertain the petition, not a comprehensive judgment on the anti-defection framework.
Case Details
Case: M. Srinivasan v. Union of India
Case number: W.P.(C) No. 1398 of 2026; Diary No. 35724 of 2026
Bench: Chief Justice Surya Kant and Justices Joymalya Bagchi and V. Mohana
Advocates: Petition drawn by M. Dhandapani and filed through Advocate-on-Record Achintya Tiwari
Relevant Bare Act
Constitution of India: Article 142 and Tenth Schedule (raised by petitioner)
- Supreme Court
- Tamil Nadu
- Legislator Resignation
- Anti-Defection
- CBI Petition