bids are invited for supply and installation of vehicle mounted megaphone with integrated siren unit,including horn speaker microphone, control unit and wiring with fuse protection,enabling clear voice projection , supply and installation of 4 inch hd dash camera for tata safari smart , multi-port usb charger pin 12v car power adapter with multiple outlets , 32gb class 10 high speed memory card compatible with dash cam , repair of air compressor of four post lifter ,replacement of non-return valve,cleaning and teflon re-taping of air line connections,host clip set plus coupler accessories replacement , connector of rakshak plus , multi charger cable 4 pin hook , 150 mm heavy duty bench vice cast iron body fixed base , supply and installation of 4 inch hd dash camera for light recovery vehicle , 64gb class 10 high speed memory card compatible with dash cam total quantity : 10