Chandigarh, April 15 -- To ensure free, fair and peaceful Lok Sabha elections, the Punjab Police on Sunday carried out a special operation 'OPS Seal-VI' aimed at checking all vehicles entering or exiting Punjab to keep a vigil on the movement of drug smugglers and bootleggers. The operation was conducted in a synchronised manner from 8am to 2pm in which 5,137 vehicles entering/exiting the state were checked, of which 200 were challaned....