Trinamool Congress Internal Rebellions and Leadership Struggles

39 UPDATES · 37 DAYS · 24 JUN 2026 — 30 JUL 2026

TrinamoolMamata BanerjeePriyanka GandhiDelhiCPMDidiCongressBJP

Latest · 30 Jul 2026

Priyanka Gandhi Vadra and Kalyan Banerjee engaged in a heated exchange regarding the defections of 20 rebel MPs, highlighting the evolving political landscape.

What this timeline covers

This event covers the internal rebellions and leadership struggles within the Trinamool Congress, including reactions, analyses, and follow-up developments of these conflicts. It excludes other actions by the Trinamool Congress, its members, or related parties unless they are direct developments of the internal conflicts mentioned.

The full story, from the beginning

24Jun

STORY BEGINS — The Hindu

Mamata loyalists, rebels submit list of new office-bearers to EC

28Jun

The Hindu

Trinamool Congress loyalists filed a police complaint against rebels led by Ritabrata Banerjee, alleging misuse of the party's name and symbol.

Indian Express

Two rival factions of the Trinamool Congress have formally applied for permission to hold rallies at the traditional Martyrs' Day venue in Kolkata.

30Jun

Indian Express

The Indian Parliament amended the OBC quota law, despite internal disagreements within the Trinamool Congress.

The Hindu

Kolkata Police imposed a 60-day prohibitory order restricting public gatherings in central Kolkata, including the Esplanade area, due to potential disruptions.

1Jul

Indian Express

Abhishek Banerjee relaunched the TMC's "Ek Daake Abhishek" initiative to provide legal assistance and support to party workers facing post-poll violence allegations.

The Hindu

The Election Commission will meet with a delegation of 10 Trinamool Congress MLAs led by Ritabrata Banerjee to determine the faction with majority control.

2Jul

Indian Express

Saugata Roy, a TMC MP, requested Speaker Om Birla's intervention to ensure the safety of MPs after Mahua Moitra, another TMC MP, was allegedly attacked in her constituency.

3Jul

Indian Express

A faction of the Trinamool Congress led by Ritabrata Banerjee seized their state party office in Kolkata, claiming leadership and control.

NDTV

TMC Rebels Seize Party HQ, Declare Arup Roy Chairman

4Jul

Indian Express

Mamata Banerjee assumed leadership of the TMC Bengal unit following the resignation of Chandrima Bhattacharya and a party headquarters takeover by rebels.

NDTV

Despite internal rebellions within the Trinamool Congress, Mamata Banerjee maintains control of the party symbol and leadership.

NDTV

Chandrima Bhattacharya resigned from all Trinamool Congress positions following an accusation by Mamata Banerjee that she facilitated the transfer of party headquarters to rebel faction leaders.

The Hindu

Chandrima Bhattacharya resigned from all Trinamool Congress positions, citing a lack of consultation as the reason, and aligning with the rebel faction led by Ritabrata Banerjee.

The Hindu

Mamata Banerjee challenged Trinamool Congress rebels who defected to the BJP, accusing them of betrayal and urging them to join the party.

Indian Express

Mamata Banerjee, facing a rebellion within the Trinamool Congress, responded to the resignation of her close aide, Chandrima Bhattacharya, who joined rebel leaders at the state Assembly.

Indian Express

Chandrima Bhattacharya's resignation from all TMC positions, following the party's headquarters capture by rebels, significantly impacts the party's leadership and morale.

6Jul

Indian Express

TMC Rejects Rebel Claim, Says Committees Valid Until 2027

7Jul

Indian Express

Political unrest erupted in Baruipur, West Bengal, following the visit of Trinamool Congress MP Saayoni Ghosh and MLA Ritabrata Banerjee to the family of an 11-year-old rape-murder victim.

8Jul

NDTV

Trinamool Congress workers clashed with BJP members during a protest march in Kolkata, leading to accusations of violence and complicity from both sides.

15Jul

The Hindu

The Election Commission extended the deadline for the Ritabrata Banerjee faction of the Trinamool Congress to respond to notices regarding organizational elections.

The Hindu

The Mamata Banerjee-led TMC faction filed a petition to the Calcutta High Court seeking permission for their July 21 rally, challenging a police prohibitory order.

The Hindu

The Election Commission extended the deadline for the Ritabrata Banerjee faction of the Trinamool Congress to respond to notices regarding organizational elections and authorized signatories until July 25.

The Hindu

Mamata Banerjee publicly defended her nephew, Abhishek Banerjee, against accusations of wrongdoing, marking her strongest public support since internal Trinamool Congress rebellions.

Indian Express

The Calcutta High Court ordered the state to provide information on pending complaints against Abhishek Banerjee following his request for details.

Indian Express

Mamata Banerjee vowed to rebuild the Trinamool Congress after recent defections, blaming the BJP for orchestrating them.

16Jul

The Hindu

Trinamool Congress factions are vying for control of the July 21 Martyrs' Day Rally, reflecting internal divisions following the recent West Bengal Assembly elections.

The Hindu

Trinamool Congress chairperson Mamata Banerjee urged supporters to leave with their belongings by July 21st in response to political pressure from central agencies.

17Jul

The Hindu

Senior TMC MLA Madan Mitra attended a protest inside the West Bengal Assembly, despite recently switching allegiance to a rival faction.

Indian Express

Trinamool Congress MLA Sherman Ali Ahmed rallied party support for Mamata Banerjee amidst defections and disciplinary action against former officials.

18Jul

NDTV

Abhishek Banerjee challenged dissidents within the Trinamool Congress to return or resign, accusing them of collaborating with the BJP for protection.

Indian Express

Following Mamata Banerjee's defeat, the TMC is divided and must hold separate rallies to commemorate the 1993 police firing, with one faction permitted to hold a rally near Birla Planetarium.

19Jul

The Hindu

Opposition parties walked out of an all-party meeting convened by the Centre due to the inclusion of a breakaway Trinamool faction.

21Jul

The Hindu

Mamata Banerjee called for unity among INDIA bloc constituents during the Martyrs' Day rally, urging Congress and CPI(M) to cooperate and rejecting TMC rebels.

Indian Express

On Martyrs' Day, Mamata Banerjee drew a large crowd while rival factions of the TMC had smaller gatherings, and the Congress surprised with a massive rally.

22Jul

The Hindu

Trinamool Congress chairperson Mamata Banerjee accused the BJP of engineering defections to keep West Bengal Chief Minister Suvendu Adhikari in power.

25Jul

Indian Express

West Bengal Chief Minister Mamata Banerjee joined a protest organized by the Trinamool Chhatra Parishad after the Calcutta High Court banned their rally.

30Jul

NDTV

Priyanka Gandhi questioned Trinamool MP Kalyan Banerjee about a poster depicting 20 defectors, prompting discussions on past political alliances and defection cases.

LATEST UPDATE — Indian Express

Priyanka Gandhi Vadra and Kalyan Banerjee engaged in a heated exchange regarding the defections of 20 rebel MPs, highlighting the evolving political landscape.

Story concluded