00349nam a2200121Ia 450000500170000000800410001708200160005810000200007424500620009426000450015694200070020199900190020820260325112224.0260325s9999||||xx |||||||||||||| ||und||  a338.2 Sa71W  aSarathi, Partha 0awhen coal turned gold : the making of a Maharatna company  aGurgaonbPenguin random house pub.c2018  cBK  c271667d271667