▁have ▁received ▁> 2 6 , 0 0 0 ▁cit ations ▁( h - index : ▁ 7 0 ). ▁ ▁Early ▁life ▁and ▁education ▁▁ ▁Sub ram an ian ▁was ▁born ▁and ▁raised ▁in ▁Chen na i . ▁Sub ram an ian ▁received ▁his ▁B . S . ▁in ▁Chem istry ▁from ▁the ▁University ▁of ▁Mad ras , ▁in ▁ 1 9 7 5 ▁and ▁received ▁a ▁M . S ▁in ▁In organ ic ▁Chem istry ▁from ▁the ▁same ▁university ▁in ▁ 1 9 7 7 . ▁Sub ram an ian ' s ▁master ' s ▁th esis ▁featured ▁analysis ▁of ▁various ▁min er als ▁and ▁al loy ▁comp ounds . ▁In ▁ 1 9 8 2 ▁Mas ▁completed ▁his ▁Ph . D ▁in ▁Sol id ▁State ▁Chem istry ▁on ▁py ro ch l ore ▁ox ides ▁at ▁the ▁Indian ▁Institute ▁of ▁Technology , ▁Mad ras , ▁India , ▁under ▁the ▁guidance ▁of ▁the ▁late ▁Professor ▁G . ▁V . ▁Sub ba ▁R ao . ▁The ▁introduction ▁to ▁his ▁th esis ▁is ▁a ▁py ro ch l ore ▁review ▁that ▁remains ▁his ▁most ▁c ited ▁work ▁to ▁date . ▁From ▁ 1 9 8 2 - 1 9 8 4 ▁he ▁was ▁a ▁Post ▁Doctor al ▁Fellow ▁under ▁the ▁guidance ▁of ▁Abraham ▁Clear field ▁at ▁Texas ▁A & M ▁University , ▁College ▁Station , ▁Texas . ▁ ▁Scient ific ▁career ▁▁ ▁In ▁ 1 9 8 4 , ▁Sub ram an ian ▁joined ▁the ▁Central ▁R & D ▁department ▁at ▁the ▁Du