Lakshya Publication <br/><br/>
Plus two level CPO mains rank file.vol.3 

 - Trivandrum:  Lakshya Publication;  2023. 
 - 3424p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PSC,CPO,Civil police officer.SCERT,NCERT
<br/><br/><label>Dewey Class. No.: </label>001  / P23.3