NCERT one for all UPSC and state PSC's  :  Indian Polity 
 Union Public Service Commission 

 - Agra:  Oswaal Books,  2025. 
 - 224p.;  28 cm. 
<br/><br/><label>ISBN: </label>9789357286657 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Indian Polity
<br/><br/><label>Dewey Class. No.: </label>351.076  / UPS