Why Kakoli Ghosh Needs 19 MPs To Pull Off TMC Exit Without Losing Her Seat Using The Raghav Chadha Formula

A growing rebellion inside the Trinamool Congress has brought the party's parliamentary strength under intense scrutiny, with senior MP Kakoli Ghosh Dastidar repeatedly claiming that "nearly 20 MPs" are backing her stand against party chief Mamata Banerjee. While the political battle continues in public, the real contest may be over a far more important figure: 19.

That number could determine whether rebel MPs can legally align with another political formation without losing their Lok Sabha membership under India's anti-defection provisions.

Anti-Defection Law at the Centre of the Dispute

The ongoing tussle has revived attention on the anti-defection law contained in the Tenth Schedule of the Constitution. The law was introduced to prevent elected representatives from switching parties after winning elections on a particular party symbol.

Under the rules, lawmakers can face disqualification if they voluntarily leave their party or defy official party instructions, commonly known as a whip.

However, one key exception remains. If at least two-thirds of a legislature party agrees to merge with another political party, members can retain their seats despite changing allegiance. An earlier provision allowing one-third of legislators to split away was abolished in 2003, leaving the two-thirds merger route as the only protection.

The same legal provision became the basis of a major political shift earlier this year involving AAP leader Raghav Chadha.

How Raghav Chadha Used the Same Provision

In April, Raghav Chadha and six other Aam Aadmi Party Rajya Sabha MPs announced their merger with the BJP. The group included Sandeep Pathak, Ashok Mittal, Swati Maliwal, Harbhajan Singh, Vikramjit Singh Sahney and Rajinder Gupta.

Together, the seven MPs represented two-thirds of AAP's 10-member Rajya Sabha contingent. Chadha argued that the merger clause protected them from disqualification.

The Rajya Sabha Chairman accepted the argument, allowing the MPs to retain their seats while becoming members of the BJP. However, the matter remains politically contentious, with AAP MP Sanjay Singh filing a petition seeking their disqualification.

The TMC rebels are now attempting to rely on the same legal framework.

Major Obstacles Before the TMC Rebels

Despite Kakoli Ghosh Dastidar's confidence, legal experts and party leaders argue that several hurdles remain.

The first challenge concerns the rebels' stated objective. Kakoli has said, "We have sought (from the sepaker) separate seating arrangements as a separate bloc." Former Lok Sabha Secretary General PDT Achary has argued that the anti-defection law's protection applies only in cases of merger. According to him, there is "no way that the Speaker can recognise them as a separate group in the Lok Sabha".

A second complication concerns the interpretation of what qualifies as a merger. Following Chadha's move, senior lawyer and MP Kapil Sibal contended that legislators cannot simply merge themselves into another party unless the political parties involved have formally merged first. Similar legal questions are already before the Supreme Court in matters arising from Goa, and a final judicial clarification may still take time.

The third and perhaps most significant challenge is numerical. Kakoli claims that "nearly 20 TMC MPs, including me, have decided to support the NDA". TMC loyalists strongly dispute that assertion.

Bardhaman-Durgapur MP Kirti Azad dismissed the claim as "the fake and fabricated narrative of the dirty tricks department of BJP", insisting that only 13 MPs attended the rebel meeting and that "no one else has signed on the dotted line apart from these".

Dum Dum MP Saugata Roy, who says he declined an invitation to join the rebels, believes it will be "very difficult" for the dissidents to secure the required two-thirds support.

Rebels Face Political and Moral Questions

Even if the rebels ultimately achieve the necessary numbers, opponents argue that the move would violate the mandate given by voters.

Krishnanagar MP Mahua Moitra reminded the rebels that they were elected in 2024 on TMC tickets. "Mandate was NOT for NDA," she wrote on X, challenging them to "resign your seats and contest on BJP ticket".

In a sharp attack, she also described the rebels as "traitors with yellow-stained pants".

Kakoli, however, remains unapologetic. While she has yet to publicly produce the signed letter she says demonstrates support for her camp, she continues to defend her actions.

"Mera sar katega lekin jhukega nahi [My head may be severed, but it will not bow]," she declared, maintaining that she has "fought for Bengal" for four decades and is acting in the state's interests rather than for personal gain.

Assembly Numbers Tell a Different Story

The rebellion carries an additional layer of irony. In 2022, when he remained a close ally of Arvind Kejriwal, Raghav Chadha introduced a private member's bill proposing stricter anti-defection rules. The bill sought to increase the merger threshold from two-thirds to three-fourths and bar defectors from contesting elections for six years.

While that proposal never progressed beyond introduction, the current political developments have revived debate over the effectiveness of existing safeguards.

Meanwhile, Mamata Banerjee faces challenges beyond Parliament. Within the West Bengal Assembly, rebels backing expelled leader Ritabrata Banerjee already possess the numbers needed to invoke the merger exception.

With the TMC holding 80 MLAs, the two-thirds mark stands at 54 legislators. The rebel faction reportedly commands the support of 58 MLAs, comfortably crossing that threshold and enabling Ritabrata Banerjee to emerge as Leader of the Opposition ahead of the party leadership's preferred candidate.

As the parliamentary rebellion unfolds, the fate of Kakoli Ghosh Dastidar's camp may ultimately depend not on rhetoric or political pressure, but on whether it can conclusively prove it has reached the crucial number that the law demands.