Sonai is a Sub-District (Tehsil/Block/Mandal) in the Cachar District of Assam. As par Census 2011 information the sub-district code of Sonai is 02099. There are about 5 sub-districts in Cachar and Sonai is one of them. Katigora, Lakhipur, Silchar, Udarbond etc. are other sub-districts in Cachar.There are about 217 villages in Sonai sub-district, which you can browse from villages list.