Narkatiaganj Assembly constituency is an assembly constituency in West Champaran district in the Indian state of Bihar.
As per orders of Delimitation of Parliamentary and Assembly constituencies Order, 2008, 3. Narkatiaganj Assembly constituency is composed of the following: Dhumnagar, Shikarpur, Hardi Tedha, Malda Maldi, Semari, Manwa Parsi, Chamua, Nautanwa, Dumaria, Binawalia, Maldahiya Pokhariya, Kehunia Roari, Parorahan, Purainia Harsari, Rajpur Tumkaria, Sugauli, Kundilpur, Bheriharwa, Gokhula, Kesharia, Kukura, Serahwa, Rakahi Champapur, Banwaria, Bhasurari gram panchayats and Narkatiaganj notified area of Narkatiganj community development block; Telpur, Deurawa, Bagahi Basawaria, Dhobini, Gonauli Dumra and Lakar Sisai gram panchayats of Lauriya CD Block.
Narkatiaganj Assembly constituency is part of 1. Valmiki Nagar Lok Sabha constituency.
^by-election
Detailed Results at: https://results.eci.gov.in/ResultAcGenNov2025/ConstituencywiseS043.htm