Mangaldoi is a Sub-District (Tehsil/Block/Mandal) in the Darrang District of Assam. As par Census 2011 information the sub-district code of Mangaldoi is 02148. There are about 6 sub-districts in Darrang and Mangaldoi is one of them. Dalgaon, Kalaigaon, Khoirabari, Pathorighat, Sipajhar etc. are other sub-districts in Darrang.There are about 138 villages in Mangaldoi sub-district, which you can browse from villages list.