As per Delimitation of Parliamentary and Assembly constituencies Order, 2008, No 55 Kochadhamin (Vidhan Sabha constituency) is composed of the following: Kochadhamin community development block; Belwa, Gachhpara, Chakla, Mehangaon, Daula and Pichhla gram panchayats of Kishanganj CD Block [REF].
Kochadhaman (Vidhan Sabha constituency) is part of No 10 Kishanganj (Lok Sabha constituency) [REF].