3 0 ▁July ▁ 2 0 1 0 ▁to ▁generally ▁positive ▁reviews ▁from ▁critics , ▁and ▁was ▁a ▁box ▁office ▁success . ▁The ▁film ▁is ▁lo os ely ▁based ▁on ▁the ▁lives ▁of ▁M umb ai ▁under world ▁gang sters ▁H aj i ▁M ast an ▁and ▁Da wood ▁I bra him . ▁A ▁sequ el , ▁Once ▁Upon ▁a ▁Time ▁in ▁M umb ai ▁D oba ara !, ▁was ▁released ▁in ▁ 2 0 1 3 . ▁ ▁Plot ▁The ▁film ▁opens ▁with ▁a ▁suic ide ▁attempt ▁by ▁Ass istant ▁Commission er ▁of ▁Police ▁( AC P ) ▁Ag nel ▁Wilson ▁( R ande ep ▁H ood a ) ▁on ▁the ▁pre text ▁of ▁the ▁ 1 9 9 3 ▁Bomb ay ▁bomb ings . ▁When ▁question ed ▁by ▁his ▁superior ▁over ▁his ▁actions , ▁he ▁breaks ▁down ▁and ▁claims ▁that ▁the ▁recent ▁trag ic ▁events ▁are ▁his ▁own ▁fault . ▁Wilson ▁rec ount s ▁that ▁ 1 8 ▁years ▁ago , ▁when ▁he ▁was ▁posted ▁as ▁the ▁A CP ▁in ▁the ▁M umb ai ▁crime ▁branch , ▁his ▁in ability ▁to ▁take ▁the ▁necessary ▁action ▁led ▁to ▁the ▁rise ▁of ▁Sho a ib ▁Khan ▁( Em ra an ▁Hash mi ) ▁a ▁dread ed ▁gang ster , ▁who ▁played ▁a ▁central ▁role ▁in ▁the ▁bomb ings . ▁Through out ▁the ▁film , ▁Wilson ▁narr ates ▁the ▁story ▁of ▁ 1 9 7 0 s ▁Bomb ay , ▁when ▁it ▁was ▁ruled ▁by ▁a ▁kind - heart ed ▁sm ugg ler ▁Sultan