Kalyanpur, Purvi Champaran (Vidhan Sabha constituency)
|— Vidhan Sabha constituency —|
|Lok Sabha constituency||3. Purvi Champaran|
|Electoral system||First past the post|
As per orders of Delimitation of Parliamentary and Assembly constituencies Order, 2008, 16. Kalyanpur (Vidhan Sabha constituency) is composed of the following: Kotwa community development block; Parsauni Wazid, Bakhri, Kalyanpur, Barharwa Mahanand, Siswa Shobh, Brindaban, Pakari Dixit, Siswa Kharar, Patna, Gariba, Shambhu Chak, Sitalpur, Koela Belwa, Bhuwan Chhapra, Banshghat, North Gawandra, South Gawandra and Mani Chhapra gram panchayats of Kalyanpur CD Block.
- "Schedule – XIII of Constituencies Order, 2008 of Delimitation of Parliamentary and Assembly constituencies Order, 2008 of the Election Commission of India". Schedule VI Bihar, Part A – Assembly constituencies, Part B – Parliamentary constituencies. Retrieved 2011-01-10.
- "Razia Khatoon JD(U) won in Kalyanpur". TPR One. Retrieved 2011-01-05.