 Each of the divisions is headed by a Divisional Railway Manager (DRM), who reports to the General Manager (GM) of the zone.A DRM can be appointed from any of the eight organized services of Indian Railways, viz.Indian Railway Service of Signal Engineers (IRSSE) , Indian Railway Accounts Service (IRAS), Indian Railway Personnel Service (IRPS), Indian Railway Service of Engineers (IRSE), Indian Railway Service of Mechanical Engineers (IRSME), Indian Railway Service of Electrical Engineers (IRSEE), Indian Railways Traffic Service (IRTS) and Indian Railway Stores Service (IRSS) for the tenure of three years, but it can be exceeded on the recommendation of Railway Board.