Karnal Singh <br/><br/>
Internal Security for UPSC CSE & State PSC Examinations  

 - copyright 
 - New Delhi  Unique Publ.  2025 
 - xxv-353  23cm 
<br/><br/><label>ISBN: </label>9788119361151 
<br/><br/><label>Dewey Class. No.: </label>352.379  / SIN