| Laukaha | |
|---|---|
| Constituency No. 40 for the Bihar Legislative Assembly | |
 | |
| Constituency details | |
| Country | India |
| Region | East India |
| State | Bihar |
| District | Madhubani |
| LS constituency | 7. Jhanjharpur |
| Established | 1951 |
| Reservation | None |
| Member of Legislative Assembly | |
| 17th Bihar Legislative Assembly | |
| Incumbent | |
| Party | Rashtriya Janata Dal |
| Elected year | 2020 |
Laukaha Assembly constituency is an assembly constituency in Madhubani district in the Indian state of Bihar.