Census of India, 1971 <br/><br/>
Economic tables. Andman & Nicobar Island  V.23 , Pt. 2B. 

 - Andman & and Nicobar   Govt. Press        1971 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.291sN71, L1.23-2B1