|— Vidhan Sabha constituency —|
|Lok Sabha constituency||5. Sitamarhi|
|Electoral system||First past the post|
As per Delimitation of Parliamentary and Assembly constituencies Order, 2008, 25. Parihar (Vidhan Sabha constituency) is composed of the following: Parihar community development block; Sonbarsa, Purandaha Rajwara Paschimi, Purandaha Rajwara Purvi, Indarwa, Pipra Parsain, Jainagar, Madhiya, Singhwahini, Bhaluaha, Bishunpur Aadhar and Dostia gram panchayats of Sonbarsha CD Block.
Election results 
- "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.
- "Parihar election results". Travel India Guide. Retrieved 2011-01-10.
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