Politicalpedia
National

From Rebel Camps to Merger Whispers: Mamata Banerjee’s TMC Faces an Existential Crisis

TMC-Congress merger buzz, heavy-weight rebel camp: What's happening in Mamata Banerjee's TMC

By Arjun MehtaPublished 11 June 2026· 2 min read
From Rebel Camps to Merger Whispers: Mamata Banerjee’s TMC Faces an Existential Crisis
From Rebel Camps to Merger Whispers: Mamata Banerjee’s TMC Faces an Existential Crisis

A cascade of resignations, a splintered legislative front, and quiet parleys in Delhi suggest that the foundations of the Trinamool Congress are under unprecedented strain.

The corridors of power in Kolkata and New Delhi are rarely this quiet, yet the silence surrounding the Trinamool Congress (TMC) today feels ominous. For Mamata Banerjee, the party supremo who has navigated countless political storms, the current week has been nothing short of a rout. With high-profile exits from the Rajya Sabha and an open revolt brewing in the Bengal assembly, the TMC is not just fighting fires—it is watching its structural integrity dissolve.

The Cracks Widen

The exodus began in earnest this week. The resignation of Rajya Sabha MP Sushmita Dev sent shockwaves through the party hierarchy, coming barely 48 hours after Sukhendu Sekhar Ray quit the Upper House. Ray’s exit was particularly scathing, as he cited "unbridled corruption" and an "anarchical rule" within the party as the driving forces behind his departure. These aren't just minor functionaries; these are voices that once shaped the party’s narrative, now turning against the very machinery they helped build.

The rebellion has moved beyond mere rhetoric. In the Bengal assembly, Speaker Rathindra Nath Bose has formally recognized 58 rebel MLAs as a separate opposition bloc. Led by Ritabrata Banerjee, this faction has staked a claim to the Leader of the Opposition position, openly challenging the authoritarian style of the party’s national general secretary, Abhishek Banerjee. The message from the rebels is clear: the current leadership’s grip is slipping.

A Potential Delhi Pivot?

Amid this internal chaos, the question of "what happens next" has turned towards the national capital. Mamata Banerjee’s recent meeting with Sonia Gandhi has set the rumour mills in overdrive, with intense speculation about a potential TMC-Congress merger. While the party has yet to issue a formal stance, the timing of the meeting—sandwiched between a string of defections—suggests that Mamata may be looking for a political lifebuoy.

The instability is further compounded by a brewing storm in Parliament. MP Kakoli Ghosh has claimed the support of 19 other TMC MPs, signalling a willingness to align with the BJP-led NDA for what she terms "Bengal’s development." If this number holds, it would effectively bypass the anti-defection law, creating a parallel power centre that could paralyse the party’s influence in the Lok Sabha.

Why it matters

The bigger picture here is the fragility of regional hegemonies. Mamata Banerjee’s TMC is experiencing a classic institutional decline: when the central leadership loses the trust of its foot soldiers, the result is rarely a clean break, but a messy, multi-front collapse. Whether the path forward involves a merger with the Congress or a desperate consolidation of remaining loyalists, the "Didi" brand is facing its most significant test since the party’s inception. The shift of 58 MLAs and a potential bloc of 20 MPs shows that the lure of the NDA and the frustration with internal party dynamics have created a perfect storm for a major realignment in Bengal politics.

By Arjun Mehta
National Affairs Correspondent

Arjun Mehta reports on government, policy and Parliament for PoliticalPedia, in English and Hindi.