0 0 2 – 0 3 ), ▁Harvard ▁School ▁of ▁Public ▁Health ▁( 2 0 0 3 – 0 4 ) ▁and ▁Bern hard ▁No cht ▁Institute ▁for ▁Trop ical ▁Medicine ▁( 2 0 0 7 ); ▁he ▁also ▁served ▁as ▁a ▁H umb old t ▁Research ▁Fellow ▁at ▁Bern hard ▁No cht ▁Institute ▁in ▁ 2 0 0 8 . ▁Besides ▁his ▁academic ▁duties ▁at ▁J NU , ▁D har ▁is ▁involved ▁in ▁the ▁establishment ▁of ▁Centre ▁of ▁Ex cell ence ▁in ▁Par as it ology , ▁a ▁Department ▁of ▁Bi ote chn ology - fund ed ▁project . ▁He ▁was ▁also ▁a ▁member ▁of ▁the ▁pro ctor ial ▁committee ▁constit uted ▁by ▁J NU ▁to ▁in quire ▁about ▁the ▁ 2 0 1 6 ▁J NU ▁protest s . ▁ ▁Career ▁ ▁D har ' s ▁research ▁history ▁starts ▁during ▁his ▁gradu ate ▁studies ▁when ▁he ▁worked ▁on ▁Ent amo eb a ▁hist ol yt ica , ▁the ▁proto zo an ▁which ▁causes ▁am o eb ias is , ▁foc using ▁on ▁its ▁rib os om al ▁DNA ▁circle . ▁Later ▁at ▁Harvard ▁Medical ▁School , ▁his ▁post - do ctor al ▁studies ▁were ▁centered ▁on ▁m amm al ian ▁DNA ▁rep lication ▁which ▁assist ed ▁him ▁to ▁identify ▁the ▁OR C 6 ▁( origin ▁recognition ▁complex ▁sub unit ▁six ) ▁and ▁its ▁role ▁in ▁vir al ▁DNA ▁rep lication . ▁He ▁also ▁identified ▁gem in in , ▁a ▁rep lication ▁in hib itor , ▁as ▁a ▁blocking ▁factor ▁of ▁vir