Census of India,1971 <br/><br/>
Economic tables. Punjab V.17, Pt. 2 B. 

 - Punjab  Govt. Press           1971 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.242sN71, L1.17-2 B