TMC Rebel Leaders List: From Sushmita Dev to Others, Key Faces Leaving Mamata Banerjee’s Party After Electoral Setbacks
The Trinamool Congress has witnessed a series of high-profile exits and internal dissent following recent electoral setbacks and growing political challenges. From former Rajya Sabha MP Sushmita Dev to other prominent leaders who have publicly criticized the party or resigned from key positions, the developments have intensified scrutiny of the party's internal dynamics ahead of crucial political battles.
Written by
Jyoti Mukherjee

Growing Signs of Dissent Within TMC
The All India Trinamool Congress has faced increasing internal turbulence in recent months, with several prominent leaders distancing themselves from the party or openly expressing dissatisfaction.
The developments have come at a politically sensitive time for the party led by West Bengal Chief Minister Mamata Banerjee, as it seeks to consolidate its position amid mounting challenges from rivals.
While the TMC leadership continues to project confidence and unity, a number of departures and critical voices have fueled speculation about unrest within the party ranks.
Sushmita Dev
Among the most notable exits is that of former Rajya Sabha MP Sushmita Dev.
Dev recently resigned from both the Trinamool Congress and the Rajya Sabha, stating that she intends to focus on political work in Assam. Rejecting allegations of opportunism, she maintained that her decision was driven by regional priorities rather than political calculations.
Her departure is seen as a significant setback for the party's efforts to strengthen its presence in the Northeast.
Sukhendu Sekhar Ray
Veteran parliamentarian Sukhendu Sekhar Ray emerged as another prominent dissident voice after stepping away from the party.
Ray publicly cited concerns over issues such as corruption allegations and the handling of the RG Kar controversy, describing them as turning points that led him to reassess his association with the party.
His criticism attracted attention because of his long-standing role within the TMC.
Leaders Expressing Public Dissent
Beyond formal resignations, several leaders have raised concerns over the party's functioning, organizational structure, and decision-making process.
Political observers note that expressions of dissent have become more visible following recent electoral disappointments and intensified political competition in West Bengal.
Although not all dissatisfied leaders have formally left the party, their remarks have contributed to perceptions of growing internal strain.
Electoral Setbacks Fuel Debate
The discussion around rebel leaders has gained momentum following electoral setbacks that prompted questions about the party's strategy and leadership structure.
Opposition parties, particularly the BJP, have repeatedly claimed that dissatisfaction is growing among TMC legislators and senior functionaries.
However, the Trinamool Congress has strongly rejected such assertions, insisting that the party remains united and committed to its political agenda.
TMC Leadership Dismisses Crisis Narrative
The TMC leadership has consistently downplayed reports of a mass exodus or internal crisis.
Party leaders argue that departures and disagreements are a normal part of political life and do not reflect the overall strength of the organization.
They continue to emphasize the party's electoral base, governance record, and grassroots network as evidence of its resilience.
Political Impact Under Watch
Analysts believe the significance of these exits will depend largely on whether more senior leaders follow suit and whether dissent translates into electoral consequences.
For now, the departures of figures such as Sushmita Dev and criticism from former insiders have provided fresh ammunition to political opponents seeking to portray the TMC as a party facing internal challenges.
As West Bengal's political landscape continues to evolve, the actions of current and former TMC leaders will remain closely watched in the months ahead.
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