Two bombs were defused by the bomb disposal squads of the NSG while the third one was being defused, Superintendent of Police (City) Jayant Kant said.
The seizure was made ahead of tomorrow's rally at the Maidan by CPI(M-L) Liberation.
Seven blasts had rocked the Maidan and surrounding areas on Sunday to coincide with the ‘Hunkar' rally addressed by BJP prime ministerial candidate Narendra Modi.