[Class : 12] Metro Rail Related Equipment And Parts, Materials, Racks For Vehicles, Rolling Stock, Couplings (Railway), Coaches (Railway), Boggies (Railway), Railway Passenger Carriages, Underground Railway Carriages, Railway Track Couplings, Railway Cars, Electric Railway Cars, Bodies For Railway Wagons, Wheels For Railway Cars, Seats For Railway Cars, Chassis For Railway Cars, Vehicles; Apparatus For Locomotion By Land, Air Or Water; Motors And Engines For Land Vehicles; Couplings And Transmission Components For Land Vehicles Being Goods Included In Class 12.