Kochadhaman (Vidhan Sabha constituency)  Kochadhaman (Vidhan Sabha constituency) () is an assembly constituency in Kishanganj district in the Indian state of Bihar. 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. Kochadhaman Vidhan Sabha constituency is part of No 10 Kishanganj (Lok Sabha constituency). Following is the list of Members of Legislative Assembly from Kochadhaman Vidhan Sabha. Mujahid Alam of JDU defeated Akhtarul Iman of AIMIM.Bjp candidate Abdur Rahman got third position in this election.