Dalgaon (No. 68) is an assembly constituency in Assam's Darrang district, part of the Darrang-Udalguri Lok Sabha constituency. It encompasses rural development blocks like Bechimari, Dalgaon-Sialmari, parts of Kalaigaon, and Mangaldai, dominated by Muslim-majority agrarian communities.
AIUDF's Mazibur Rahman won decisively in 2021 with 118,341 votes against INC's Ilias Ali (62,959 votes). INC's Ilias Ali held it in 2016 (76,607 votes, margin 2,320 over AIUDF) and 2011.
The area features high population density in rural settings, with significant minority voters supporting turnout rates above 80per cent across numerous polling booths.