Department of Mathematical Sciences started functioning as a full-fledged department in 2011 under the Bodoland University Act, 2009, passed in the Assam legislative Assembly. The Department is a continuation of the Department of Mathematics started functioning in 2007 under Kokrajhar Campus of Gauhati University.

The objective of the Department is to provide training manpower for undertaking research and teaching in mathematics and allied branches of basic or applied sciences. The Department carries out research in the areas of Relativity and Cosmology, General Topology, Fuzzy sets and Applications,Fuzzy topology etc.