Trivedi, S.D. <br/><br/>
Secret services in Ancient India : techniques and operation 
by S.D. Trivedi 
 - Delhi  Allied  1984 
 - 238p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Secret service - India
<br/><br/><label>Dewey Class. No.: </label>N21x54 T739