Nighasan Assembly constituency (Hindi: ) is one of the 403 constituencies of the Uttar Pradesh Legislative Assembly, India. It is a part of the Lakhimpur district and one of the five assembly constituencies in the Kheri (Lok Sabha constituency). First election in this assembly constituency was held in 1957 after the "DPACO (1956)" (delimitation order) was passed in 1956.[1] After the "Delimitation of Parliamentary and Assembly Constituencies Order" was passed in 2008, the constituency was assigned identification number 138.Extant of Nighasan Assembly constituency is Nighasan Tehsil; PCs Benoura, Mallbehar, Ram Nagar Bagha, Gulariya T. Amethi, Ramiya Behar, Sujanpur, Jungle Sujanpur, Semri, Chandpura, Sohariya, Tahara of Ramiya Behar KC & Dhaurahra NP of Dhaurahra Tehsil.
