Kolkata: Trinamool Congress chief Mamata Banerjee held a grand rally in central Kolkata to mark the killing of 13 Youth Congress activists in 1993. The annual gathering of the Shahid Divas programme is attended by lakhs of Mamata Banerjee supporters at Esplanade in central Kolkata. For more info:- Visit to http://raajneeti.org/ & http://raajneeti.org/uncategorized/tmc-to-hold-rally-on-martyrs-day/