00458nam a22001577a 4500003000400000005001700004008004100021020001800062082002000080110002200100245007600122250001200198260004000210300001100250500003900261OSt20230120171348.0230120b        |||||||| |||| 00| 0 eng d  a9789355640642  a351.54076bD61N  aDisha (New Delhi)  a9 yearwise UPSC Civil Services IAS Mains : Essay cby Disha Publication  a3rd ed.  aNew DelhibDisha Publicationc2022?  a220 p.  aIncludes solved papers (2013-2022)