| 1873: |
The Eastern Bengal State Railway
Volunteer Rifle Corps
│ |
| 1879: |
│
│
│ |
The Northern Bengal State Railway
Volunteer Rifle Corps
│ |
|
 |
 |
| 1882: |
The Eastern Bengal Railway Volunteer Rifle Corps
│ |
| 1884: |
The Eastern Bengal State Railway Volunteer Rifle Corps
│ |
|
Indian Defence Force |
|
│ |
| 1917: |
12th Eastern Bengal Railway Battalion
│ |
|
Auxiliary Force (India) |
|
│ |
| 1920: |
The Eastern Bengal Railway Battalion |
|
│ |
| 1947: |
disbanded |