Census of India,1971 <br/><br/>
Economic tables. Tripura  V.20, Pt. 2B. 

 - Tripura  Govt. Press           1971 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.2792sN71, L1.20-2B