Census of India, 1971 <br/><br/>
Establishment and housing tables. Sikkim V.18, Pt. 3 & 4. 
Census of India, 1971 
 - Sikkim  Govt. Press           1971 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.2973sN71, L1.18A-3&4