Wikipedia
Jamui is a city and a municipality in Jamui district in the Indian state of Bihar. It is the district headquarters of Jamui district. Jamui was formed as a district on 21 February 1991 as a result of its separation from Munger.
Historical existence of Jamui has been observed from the Period of Mahabharta war. Archaeological and historical evidence shows its close association with Jain tradition for a long past to the present time.
There are mainly two hypotheses which have been mentioned by historians regarding the origin of the name of the district Jamui. The first hypothesis said that the name of Jamui derived from “Jambhiya Gram” or “Jribhikgram” village, which has the place of attaining ‘Omniscience’ ( Kevala Jnana) of Vardhaman Mahavira and according to another hypothesis the name Jamui is originated from Jambuwani.
Jamui Lok Sabha constituency is one of the 40 Lok Sabha (parliamentary) constituencies in Bihar state in eastern India. This constituency again came into existence in 2008 as a part of the implementation of delimitation of parliamenatary constituencies based on the recommendations of the Delimitation Commission of India constituted in 2002.