The Directorate of Historical and Antiquarian studies, Assam,(DHAS) Guwahati is a premier cultural and historical organization. Established in 1928, the basic objectives of this organization is to collect historical source materials and preserve them for future research as also for writing and compiling a systematic comprehensive history of Assam.

The main work of this Directorate is collection of rare and old manuscripts. The Directorate has not only collected manuscripts and some other books but also some copper plates, coins and other historically important materials. The vision is to bring about improvement in the quality of the research in the field of History.