TMC faces existential test as Bengal opposition grapples with internal fracture

The Trinamool Congress faces a critical juncture as internal divisions deepen following its electoral defeat after 15 years in office. The party is now navigating simultaneous challenges across multiple fronts—factional disputes, organisational control battles, and significant defections to the National Democratic Alliance—that threaten its viability as Bengal's leading opposition formation.

Three distinct power centres have emerged within the TMC's fractured structure. Chief Minister Mamata Banerjee maintains her core supporters, while a rebel faction led by Ritabrata Banerjee represents a competing vision for the party's future. Complicating matters further, approximately 20 TMC Lok Sabha MPs have switched allegiance to the National People's Party and extended support to the NDA government, significantly diminishing the party's parliamentary footprint.

The internal dispute has escalated to the Election Commission, with rival factions formally staking claims to party ownership and organisational control. This legal battle underscores the depth of the rupture, transforming what began as routine post-election defections into a struggle for the TMC's institutional survival.

Mamata Banerjee's immediate challenge extends beyond reversing electoral losses. After 15 years wielding governmental power and administrative machinery, the TMC must fundamentally rebuild as an opposition entity capable of functioning without state resources and institutional protection. The party's ability to reconstruct internal cohesion and operational capacity will likely determine West Bengal's political trajectory for years ahead.