India, July 10 -- Once the undisputed political force in West Bengal, the Trinamool Congress (TMC) is facing one of the biggest crises in its history. A string of defections, an open rebellion by a section of its MPs and growing questions over former chief minister Mamata Banerjee's leadership have plunged the party into uncertainty. As the cracks widen, the key question is: What does the future hold for the TMC?

The political crisis escalated in June after 19 Trinamool Congress MPs announced their decision to split from the Mamata Banerjee-led party and form a separate faction. The move marked the biggest revolt within the TMC since its inception and raised fresh questions about the party's future after its electoral setback in West Ben...