TMC crisis LIVE: Sushmita Dev's Rajya Sabha, party exit adds to back-to-back jolts for Mamata Banerjee

TMC crisis LIVE updates: TMC faces mounting turmoil as Rajya Sabha member Sushmita Dev quits the party days after Sukhendu Sekhar Ray's exit. The crisis deepens with MLA and MP rebellions, a forged-signature probe, leadership challenges, and fresh defections amid growing pressure on Mamata Banerjee.