▁Cal cut ta , ▁D h aka ▁and ▁Nar ay ang an j . ▁In ▁the ▁year ▁ 1 8 8 9 – 9 0 ▁the ▁port ▁handled ▁exports ▁tot alling ▁ 1 2 5 , 0 0 0 ▁tons . ▁The ▁Str and ▁Road ▁was ▁built ▁beside ▁the ▁har bour . ▁Between ▁ 1 9 0 5 - 1 9 1 1 , ▁Ch itt ag ong ▁was ▁the ▁chief ▁se ap ort ▁of ▁Eastern ▁Beng al ▁and ▁Ass am . ▁It ▁was ▁made ▁the ▁termin us ▁of ▁the ▁Ass am ▁Beng al ▁Railway . ▁Hence , ▁the ▁port ' s ▁hinter land ▁included ▁all ▁of ▁colonial ▁Ass am ▁( mod ern ▁N ortheast ▁India ). ▁Trade ▁between ▁British ▁India ▁and ▁British ▁Bur ma ▁rapidly ▁increased ▁in ▁the ▁early ▁ 2 0 th ▁century . ▁The ▁Bay ▁of ▁Beng al ▁became ▁one ▁of ▁the ▁bus iest ▁sh ipping ▁hub s ▁in ▁the ▁world , ▁rival ing ▁the ▁traffic ▁of ▁ports ▁on ▁the ▁Atlantic . ▁In ▁ 1 9 2 8 , ▁the ▁British ▁government ▁declared ▁Ch itt ag ong ▁as ▁a ▁" M aj or ▁Port " ▁of ▁British ▁India . ▁Ch itt ag ong ▁was ▁important ▁for ▁the ▁pet role um ▁industry ▁that ▁developed ▁in ▁Ass am ▁and ▁Bur ma . ▁It ▁was ▁used ▁for ▁j ute ▁and ▁rice ▁trad ing . ▁During ▁World ▁War ▁II , ▁Ch itt ag ong ▁port ▁was ▁used ▁by ▁Al lied ▁Forces ▁in ▁the ▁Bur ma ▁Camp aign . ▁ ▁After ▁the ▁partition ▁of ▁British