The BJP Deputy leader in the Lok Sabha, Gopi Nath Munde today alleged that Lalgarh rally by the Trinamool Congress Chief, Mamta Banerjee was attended by Maoist leaders. Talking to reporters in New Delhi today, Munde asked why not CBI be engaged to enquire into the killing of Maoist leader, Azad in Andhra Pradesh if Mamta Banerjee feels that he was murdered.