"North Western Railway zone" . . . "North Western Railways (NWR) Zone" . . "North Western Railway Zone" . . "2002" . . . "Railway zone" . . . . "ern" . . . . . . . . . . "North Western" . . . . . . . . . . . "North Western Railway (NWR)" . . "North Western Railway zone" . . . . . . . . "NWR" . . . "North Wet" . "North Western Railways" . . "North Western Railway" .