Railway Zones
- Indian Railways, which cover a total length of 63,140 km, is divided into 17 zones.
- ·1 Northern Railway (NR) Delhi
- ·2 North Eastern Railway (NER) Gorakhpur
- ·3 Northeast Frontier Railway (NFR) Guwahati
- ·4 Eastern Railway (ER) Kolkata
- ·5 South Eastern Railway (SER) Kolkata
- ·6 South Central Railway (SCR) Secunderabad
- ·7 Southern Railway (SR)Chennai
- ·8 Central Railway (CR) Mumbai
- ·9 Western Railway (WR) Mumbai
- ·10 South Western Railway (SWR) Hubli
- ·11 North Western Railway (NWR) Jaipur
- ·12 West Central Railway (WCR)Jabalpur
- ·13 North Central Railway (NCR) Allahabad
- ·14 South East Central Railway (SECR) Bilaspur
- ·15 East Coast Railway (EcoR) Bhubaneswar
- ·16 East Central Railway (ECR) Hajipur
- ·17 Konkan Railway (KR) Navi
