Census of India,1971 <br/><br/>
Economic tables. Himachal Pradesh  V.7, Pt.2 B. 

 - Himachal  Pradesh Govt. Press          1971 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.245sN71, L1.7-2B