Kolkata, July 22 -- Trinamool Congress chairperson Mamata Banerjee directed party leaders on Monday to launch a year-long movement against detention of Bengali-speaking migrant workers in Bharatiya Janata Party-ruled states on charges of being illegal Bangladeshi immigrants and said TMC will overthrow BJP from the Centre after winning the 2026 state polls. "Today I lay the foundation stone of our fight to uproot the government at the Centre. Nobody can stop TMC. I will not tolerate the insult of Bengali or any other language," Banerjee said at her party's annual rally held to pay homage to the 13 youth Congress workers killed in police firing in Kolkata on July 21, 1993. Banerjee, who was the state youth Congress president at that time, for...