Kolkata, Feb 18 (PTI) BJP workers today staged a blackflag demonstration as the convoy of Union Home Minister P Chidambaram was returning from Badu in North 24 Parganas district after inaugurating a regional hub of the National Security Guard (NSG). Holding placards dubbing Chidambaram as 'a corrupt minister in union cabinet', the demonstrators shouted "Chidambaram has totally failed as a union minister." Police immediately whisked away the demonstrators. There was no report of any arrest.
