Zones
Railway zones as recorded in the database.
| Code | Zone |
|---|---|
| CR | Central Railway |
| ECoR | East Coast Railway |
| ECR | East Central Railway |
| ER | Eastern Railway |
| NCR | North Central Railway |
| NER | North Eastern Railway |
| NFR | Northeast Frontier Railway |
| NR | Northern Railway |
| NWR | North Western Railway |
| SCR | South Central Railway |
| SECR | South East Central Railway |
| SER | South Eastern Railway |
| SR | Southern Railway |
| SWR | South Western Railway |
| WCR | West Central Railway |
| WR | Western Railway |