| Madhuban, Bihar | |
|---|---|
| Constituency No. 18 for the Bihar Legislative Assembly | |
 | |
| Constituency details | |
| Country | India |
| Region | East India |
| State | Bihar |
| District | Purvi Champaran |
| LS constituency | 4. Sheohar |
| Established | 1957 |
| Reservation | None |
| Elected year | 2020 |
Madhuban Assembly constituency is an assembly constituency in Purvi Champaran district in the Indian state of Bihar.