Kolkata: Irate TMC activists, who held frenzied demonstrations outside the CBI office and Raj Bhavan in Kolkata in protest against the arrest of party leaders, broke into jubilation after a local court granted them interim bail in the Narada sting tapes case. The CBI on Monday morning apprehended state ministers Firhad Hakim, Subrata Mukherjee, TMC MLA Madan Mitra and former …