Surender Singh and Virinder Parmar <br/><br/>
General Studies :  For Civil services preliminary examination ,GS Paper .1 
Surender sigh and Virinder parmar 
 - Chennai  McGraw Hill  2020 
<br/><br/><label>ISBN: </label>9789353167851 
<br/><br/><label>Dewey Class. No.: </label>371.262  / SUR.G