| Post Office | Daidhan B.o |
| Division | Rohtas |
| Region | Patna Hq |
| Circle | Bihar |
| Taluka | Kochas |
| District | Rohtas |
| State | Bihar |
| Phone | NA |
| Sub Office | Kochas S.O |
| Head Office | Sasaram H.O |
| Pincode |
821112
|
| Post Office | Kochas S.o |
| Division | Rohtas |
| Region | Patna Hq |
| Circle | Bihar |
| Taluka | Kochas |
| District | Rohtas |
| State | Bihar |
| Phone | 06184-277423 |
| Sub Office | NA |
| Head Office | Sasaram H.O |
| Pincode |
821112
|