In the ongoing investigation in the West Bengal's Narada scam, Trinamool Congress Ministers Firhad Hakim, Subrata Mukherjee, MLA Madan Mitra and Former Mayor of Kolkata Sovan Chatterjee were taken to Presidency Jail.

On May 17, Trinamool Congress Ministers Firhad Hakim, Subrata Mukherjee, MLA Madan Mitra and Former Mayor of Kolkata Sovan Chatterjee got arrested by CBI in the matter.

West Bengal Chief Minister Mamata Banerjee also took cognizance of the matter. Several TMC supporters also staged a protest outside the CBI office yesterday.