TMC’s split boosts BJP’s push for key reforms
- Akhilesh Sinha

- Jun 9
- 3 min read

New Delhi: Trinamool Congress (TMC) chief and former West Bengal Chief Minister Mamata Banerjee, along with her nephew and MP Abhishek Banerjee, is facing a series of political setbacks, while the Bharatiya Janata Party (BJP) continues to consolidate its position both in West Bengal and at the national level. The BJP is working to strengthen the National Democratic Alliance (NDA) in both Houses of Parliament before the 2027 Budget Session, enabling it to pass major legislations such as delimitation and women’s reservation-related measures.
Amid growing divisions within the TMC, Mamata Banerjee on Tuesday appointed MP Kalyan Banerjee as the party’s Chief Whip in the Lok Sabha and formally requested Speaker Om Birla to recognise the appointment with immediate effect. The move is being viewed as an indirect acknowledgment of the serious split that has emerged within the party.
The development came a day after 20 of TMC’s 28 Lok Sabha MPs reportedly broke ranks with Mamata Banerjee. The dissident group elected MP Dr. Kakoli Ghosh Dastidar as its Chief Whip and subsequently submitted a letter bearing the signatures of the rebel MPs to Lok Sabha Speaker Om Birla.
BJP Arithmetic
The split within the TMC appears to be benefiting both the BJP and the NDA in terms of parliamentary arithmetic. In Parliament, 20 of TMC’s 28 Lok Sabha MPs have announced support for the BJP. Since their number exceeds the two-thirds threshold (19 MPs in this case) the anti-defection law would reportedly not apply to them. The future course of the remaining eight TMC Lok Sabha MPs and the party’s 13 Rajya Sabha members remains unclear. However, political observers suggest that as many as nine Rajya Sabha MPs may also be inclined to join the rebel camp.
The developments significantly improve the BJP’s position in the Lok Sabha. The BJP currently has 240 MPs, 32 short of the simple majority mark of 272. The NDA presently commands 293 members in the House. With the support of the 20 rebel TMC MPs, the NDA’s strength would rise to 313.
Delimitation Bill
Such an increase would make it easier for the Modi government to pass legislation in the Lok Sabha. The government is reportedly keen to revive efforts during the upcoming Monsoon Session to secure passage of the Delimitation Bill and legislation linked to women’s reservation.
During voting on the Delimitation Bill on April 18, the proposal reportedly received 298 votes in favor. However, 352 votes were required for passage, leaving the government short by 52 votes. With the support of the 20 rebel TMC MPs, the NDA would still require 32 additional MPs to secure the necessary two-thirds majority.
In the Rajya Sabha, the BJP currently holds 113 seats, including seven members who reportedly joined after breaking away from the Aam Aadmi Party. Including seven nominated members, the NDA’s effective strength stands at 148 in the 245-member Upper House.
Thirty Rajya Sabha seats are scheduled to fall vacant later this year, and BJP leaders are hopeful of increasing their tally by at least five more seats. The party’s broader strategy appears increasingly clear that strengthen the NDA in both the Lok Sabha and Rajya Sabha before the next Budget Session so that major constitutional and electoral reforms, including delimitation and women’s reservation-related legislation, can be passed with the required two-thirds majority.




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