"South Eastern" . . . "SER" . . . . "South Eastern Zone" . . "South Eastern Railway" . . . . . . . . . . . "South Eastern Railways" . "South-Eastern zone" . . . . . "South Eastern Railway zone" . "South Eastern Railway zone" . "South-eastern Railway" . . . "South Eastern Railway's" . "Bengal Nagpur Railway" . "South Eastern Railway zone" . . . . . . "railway" . . . . . "1955" . . . . . "South Eastern zone" . "South Eastern Railway Zone" . "S E Railway" . . "SCR" . . . . . . "South Eastern Railway Headquarters" . "1955-08-01" . . "South-Eastern Railway" . . "South Eastern Railway (SER)" . . . . . . . "SER zone" . . . . . . . . .