Kalaigaon is a Sub-District (Tehsil/Block/Mandal) in the Darrang District of Assam. As par Census 2011 information the sub-district code of Kalaigaon is 02150. There are about 6 sub-districts in Darrang and Kalaigaon is one of them. Dalgaon, Khoirabari, Mangaldoi, Pathorighat, Sipajhar etc. are other sub-districts in Darrang.There are about 25 villages in Kalaigaon sub-district, which you can browse from villages list.