Museum was established on 16th March 1986, under the Directorate of Museums, Assam. In the initial stage, it was first put up in Darrang College, then shifted to the Tezpur Sahitya Sabha and in the year 2002 the Museum finally was shifted and set up its permanent exhibitions in the historic building 'Dak-Bunglow' (built-in 1881), located at the heart of the city Tezpur.
Presently, the Museum holds more than 500 objects comprising copper plates, coins, stone sculptures, metal, and wooden sculptures manuscripts canons of the Ahom period, art and craft items of various communities, etc.