Singh,Surender <br/><br/>
General studies for civil services preliminary examination :  paper 1 / 
Surender Singh and Virinder Parmar 
 - Chennai:   McGraw Hill Education,   2023. 
<br/><br/><br/>In English 
<br/><br/><label>ISBN: </label>9789355321039 
<br/><br/><label>Dewey Class. No.: </label>050   SIN/G