Indian Railways divides its operations into zones, which are further sub-divided into divisions, each having a divisional headquarters. There are a total of 19 zones (including Metro Railway, Kolkata) and 70 Divisions on Indian Railway System. 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 Railway 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. The DRM is assisted by one or two Additional Divisional Railway Managers (ADRM) in the working of the division. Divisional officers heading all departments viz. Stores, engineering, mechanical, electrical, signal and telecommunication, accounts, personnel, operating, commercial, safety, medical, security branches report to the Divisional Railway Manager. (en)
Indian Railways divides its operations into zones, which are further sub-divided into divisions, each having a divisional headquarters. There are a total of 19 zones (including Metro Railway, Kolkata) and 70 Divisions on Indian Railway System. 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 Railway Traffic Service (IRTS) and Indian Railw (en)