Census of India,1961 <br/><br/>
Tables on the Calcutta Industrial region .West Bengal V 16, Pt.10-A 

 - West Bebgal & Sikkim   Bebgal & Sikkim Govt. Press        1961 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.275sN61, K1.16-10 A2