MLA: Dadan Singh Yadav (2015-Incumbent) Reservation: None: Dumraon Vidhan Sabha constituency is one of 243 legislative assembly of legislative assembly of Bihar. Dumraon Election and Results 2020 - Know about Dumraon Vidhan Sabha constituency election 2020 updates, results, candidates name. It is comes under Buxar lok sabha constituency. Also, know sitting and previous MLAs from Dumraon … DUMRAON Election Results 2015, Bihar: DUMRAON assembly constituency 2015 election results. Overview. Dumraon Election Result 2020: Get the Dumraon BIHAR assembly …