Harsidhi is an assembly constituency in East Champaran district in the Indian state of Bihar. It is reserved for scheduled castes.
As per orders of Delimitation of Parliamentary and Assembly constituencies Order, 2008, 13. Harsidhi Assembly constituency (SC) is composed of the following: Harsidhi and Turkaulia community development blocks.
Harsidhi Assembly constituency is part of 3. Purvi Champaran (Lok Sabha constituency). It was formerly part of Motihari (Lok Sabha constituency).
Detailed Results at: https://results.eci.gov.in/ResultAcGenNov2025/ConstituencywiseS0413.htm