Census of India,1961 <br/><br/>
General economic tables .Assam V 3, Pt. II-B(11). 

 - Assam  Govt. Press           1961 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.277sN61, K1.3-II-B(11)