00358nam a22001097a 4500082001800000100002800018245008300046260004900129300001000178650003700188650002300225  aPKP K335 R191  aRau's IAS study circle   aThe Essential Handbook bUPSC interviews (2020-21)cby Rau's IAS study circle   aNew DelhikbRau's IAS study circle c2020-21  a403p.  aTest and standards of selection   aOral examinations