Indian Railways has sprawled a huge network of rail tracks throughout the country. Whether it is a remote village or developed metropolitans, Indian Railway serve the rail users in each and every part of the country. This widespread network is classified into sixteen zones for administrative purposes. Each and every zonal railway further comprises several divisions. Calcutta Metro is exclusively operated by Indian Railways, yet it doesn't form the part of any zone. Konkan Railway is the recent addition to the listed railway zones of India that is controlled by the Railway Ministry and the Railway Board. The list embracing the names of seventeen railway zones, abbreviations, headquarters and date of establishment is given here.
| S.No | Name | Abbr. | Headquarters | Date of Establishment |
| 1. | Northern Railway | NR | Delhi | April 14, 1952 |
| 2. | North Eastern Railway | NER | Gorakhpur | 1952 |
| 3. | Northeast Frontier Railway | NFR | Maligaon (Guwahati) | 1958 |
| 4. | Eastern Railway | ER | Kolkata | April 14, 1952 |
| 5. | South Eastern Railway | SER | Kolkata | 1955 |
| 6. | South Central Railway | SCR | Secunderabad | Oct' 2, 1966 |
| 7. | Southern Railway | SR | Chennai | April 14, 1951 |
| 8. | Central Railway | CR | Mumbai | Nov' 5, 1951 |
| 9. | Western Railway | WR | Mumbai | Nov' 5, 1951 |
| 10. | South Western Railway | SWR | Hubli | April 1, 2003 |
| 11. | North Western Railway | NWR | Jaipur | Oct' 1, 2002 |
| 12. | West Central Railway | WCR | Jabalpur | April 1, 2003 |
| 13. | North Central Railway | NCR | Allahabad | April 1, 2003 |
| 14. | South East Central Railway | SECR | Bilaspur, CG | April 1, 2003 |
| 15. | East Coast Railway | ECoR | Bhubaneswar | April 1, 2003 |
| 16. | East Central Railway | ECR | Hajipur | Oct' 1, 2002 |
| 17. | Konkan Railway | KR | Navi Mumbai | Jan' 26, 1998 |