Lok Sabha Speaker Om Birla is set to deliver decisions on defection petitions involving lawmakers from the Trinamool Congress (TMC) and the Shiv Sena (UBT) ahead of the monsoon session of Parliament, according to sources. The rulings will determine the political fate of several MPs who have switched allegiances, with the rebel factions expressing support for the Narendra Modi-led National Democratic Alliance (NDA) government.
Background of the Defection Cases
The defection petitions pertain to members of the TMC and Shiv Sena (UBT) who have claimed that their original parties underwent a split, thereby justifying their realignment. Under the Tenth Schedule of the Indian Constitution, defection can be condoned if at least one-third of a party's members merge with another party. Both rebel groups have argued that they represent the legitimate faction following internal splits.
The TMC rebels, led by former party strongman Mukul Roy, have asserted that a significant portion of the party's parliamentary board backed their decision to join the NDA. Similarly, the Shiv Sena (UBT) faction, loyal to former Chief Minister Eknath Shinde, has maintained that their actions were constitutional, citing a split in the original Shiv Sena.
Implications for the NDA Majority
The decisions are crucial for the ruling NDA coalition, which relies on the support of these rebel MPs to maintain its majority in the Lok Sabha. Currently, the NDA has 332 seats, but the defection cases could alter the arithmetic if the Speaker rules against the rebels, potentially leading to their disqualification. The opposition has accused the government of engineering defections to shore up its numbers.
“The Speaker must act impartially and uphold the anti-defection law,” said a senior Congress leader, requesting anonymity. “Any decision that legitimizes horse-trading will set a dangerous precedent.”
Timeline and Next Steps
Birla has reportedly completed hearings and is expected to announce his verdict before the monsoon session begins in July 2026. The session is likely to be contentious, with the opposition planning to raise issues such as unemployment, inflation, and the government's handling of ethnic violence in Manipur.
Political analysts suggest that the Speaker’s ruling could trigger further realignments. “If Birla validates the splits, it may encourage other disgruntled lawmakers to defect,” said political commentator Neerja Chowdhury. “Conversely, disqualifications could weaken the NDA and embolden the opposition.”
Reactions from Affected Parties
The TMC and Shiv Sena (UBT) have urged the Speaker to disqualify the rebels. TMC spokesperson Kunal Ghosh stated, “These defections are a betrayal of the people’s mandate. We have full faith that the Speaker will uphold the law.” The Shiv Sena (UBT) has also filed a formal complaint, arguing that the rebels violated party discipline.
On the other hand, the rebel groups have expressed confidence. “We have followed the due process. Our actions are in line with the Constitution,” said a spokesperson for the Shinde faction.



