Kolkata, Dec. 17 -- West Bengal sports minister Aroop Biswas resigned on Tuesday amid mounting criticism over the mismanagement of football icon Lionel Messi's event at the Salt Lake stadium last week. Chief minister Mamata Banerjee accepted his resignation and decided to keep the sports portfolio with herself for the time being, a senior Trinamool Congress leader said. Biswas will continue as a cabinet minister, retaining charge of the power department. P13...