Kolkata: Kolkata Police has seized more than five thousand kg banned crackers in the past seven days. During the special drive, the Detective Department has seized banned fire crackers weighing around 1,600 kg. The rest of the quantity was seized by the local police stations. The maximum quantity of such banned crackers has been seized from East Division and Port Division. For the immersion arrangements, two police officials from the rank of Assistant Commissioner (AC) in each division have been instructed to supervise..