Ashok Kumar <br/><br/>
Challenges to internal security of india/by Ashok Kumar and Vipul 

 - 2 
 - Chennai  McGraw hill education (India) Private Limited  2017 
 - 301p. 
<br/><br/><label>ISBN: </label>9789352602810 (13) 9352602811 (10) 
<br/><br/><label>Dewey Class. No.: </label>355.4  A35C