Constituencies
Parliamentary Constituency -13- Madhepura is constituted with three assembly constituency of madhepura district – 70- Alamnagar, 71- Bihariganj, 73- Madhepura and three assembly constituencies of saharsa district 74- Sonbarsha(SC) 75- Saharsa 77-Mahishi.
Madhepura district divided into four Assembly constituencies namely – 70- Alamnagar,71- Bihariganj,72- Singheshwar(SC),73-Madhepura.