000 00313nam a22001457a 4500
020 _a978-81-934226-0-1
041 _aENG
100 _aShankar IAS
245 _aEnvironmnt
250 _a6 th
260 _aChennai
_bShankar ISA Academy
_c2018
300 _a364
650 _aUPSC
856 _uCompetitive Exam
999 _c229
_d229