| Zonal Railways | |
| Central | |
| Eastern | |
| Northern | |
| North Eastern | |
| Northeast Frontier | |
| Southern | |
| South Central | |
| South Eastern | |
| Western | |
| Metro Railway | |
| East Central | |
| North Western | |
| East Coast | |
| South Western | |
| North Central | |
| South East Central | |
WEST CENTRAL RAILWAY
| Zonal Railways | |
| Central | |
| Eastern | |
| Northern | |
| North Eastern | |
| Northeast Frontier | |
| Southern | |
| South Central | |
| South Eastern | |
| Western | |
| Metro Railway | |
| East Central | |
| North Western | |
| East Coast | |
| South Western | |
| North Central | |
| South East Central | |