Descriptive list of secret department records 
National Archives of India. 
 - New Delhi  National Archives of India  1971 
 - v4. 
<br/><br/> Contents:-v.4 1783. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Official secrets - India Confidential communication - Bibliography.
<br/><br/><label>Dewey Class. No.: </label>16.954  / N28D