Port Blair, Dec 22: It is to intimate that CISF Unit Port of Port Blair will be carrying out Annual Range Classification for the year 2016 w.e.f 27.12.16 to 28.12.16 on 07 hrs to 1200 hrs at Police Firing Range, Bird Line, Prothrapur. All concerned have been warned to keep themselves and their vehicle or livestock away from the firing range, communications said.