| Post Office | Kasma Marar |
| Division | Madhubani |
| Region | Muzaffarpur |
| Circle | Bihar |
| Taluka | Khajauli |
| District | Madhubani |
| State | Bihar |
| Phone | NA |
| Sub Office | Khajauli S.O |
| Head Office | Madhubani H.O |
| Pincode |
847228
|
| Post Office | Kewalpatti |
| Division | Madhubani |
| Region | Muzaffarpur |
| Circle | Bihar |
| Taluka | Khajauli |
| District | Madhubani |
| State | Bihar |
| Phone | NA |
| Sub Office | Rajnagar S.O (Madhubani) |
| Head Office | Madhubani H.O |
| Pincode |
847235
|