Census of India,1961 <br/><br/>
General economic tables .West Bengal and Sikkim V 16, Pt.2B(1) 

 - West Bengal  Bebgal Govt. Press          1961 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.275sN61, K1.16-2B(1)