ers ▁in ▁the ▁small ▁industrial ▁units ▁and ▁gradually ▁settled ▁here ; ▁these ▁people ▁came ▁to ▁Kol k ata ▁in ▁search ▁of ▁job ▁opportun ities , ▁a ▁condition ▁experienced ▁by ▁all ▁sub ur bs ▁of ▁Cal cut ta ▁during ▁the ▁early ▁post ▁independence ▁era ; ▁this ▁resulted ▁in ▁significant ▁eth ical ▁change ▁in ▁Lil u ah , ▁which ▁resulted ▁in ▁the ▁majority ▁H indi - spe aking ▁population ▁of ▁Lil u ah ▁since ▁the ▁late ▁ 1 9 9 0 s , ▁in ▁a ▁contrast ▁to ▁the ▁early ▁ 1 9 9 0 s , ▁when ▁most ▁of ▁the ▁population ▁was ▁Beng ali - spe aking . ▁ ▁Education ▁The ▁area ▁of ▁Eastern ▁Lil u ah ▁has ▁been ▁the ▁educational ▁hub ▁of ▁How rah ▁since ▁the ▁early ▁ 1 9 9 0 s , ▁ow ing ▁to ▁a ▁number ▁of ▁good ▁n ▁re put ed ▁schools , ▁an ▁Engineering ▁College ▁and ▁a ▁Science , ▁Arts ▁and ▁Com merce ▁College ▁present ▁there . ▁Which ▁contribute ▁to ▁it ▁being ▁the ▁Edu c ational ▁hub ▁having ▁the ▁highest ▁concentration ▁of ▁Edu c ational ▁institutions ▁in ▁How rah ▁City . ▁ ▁School s ▁The ▁most ▁famous ▁and ▁re put ed ▁of ▁all ▁institutions ▁in ▁Lil u ah ▁is ▁the ▁Don ▁Bos co ▁High ▁and ▁Techn ical ▁School ▁Lil u ah ▁or ▁Don ▁Bos co ▁Lil u ah ( ab bre vi ated ▁as ▁DB L ) ▁which ▁was ▁established ▁in ▁the ▁year ▁ 1 9 3 7 ▁as ▁a ▁Catholic ▁institution ▁by ▁the ▁Sales ians ▁of ▁Don ▁Bos