Mangaldoi is a Sub-District (Tehsil/Block/Mandal) in the Udalguri District of Assam. As par Census 2011 information the sub-district code of Mangaldoi is 02148. There are about 9 sub-districts in Udalguri and Mangaldoi is one of them. Dalgaon, Dhekiajuli, Harisinga, Kalaigaon, Khoirabari, Mazbat, Pathorighat, Udalguri etc. are other sub-districts in Udalguri.There are about 6 villages in Mangaldoi sub-district, which you can browse from villages list.