▁million ▁Bang l adesh is ▁who ▁had ▁taken ▁residence ▁in ▁the ▁country . ▁In ▁ 2 0 1 2 ▁Mul la pp ally ▁Ram ach and ran , ▁the ▁minister ▁of ▁state ▁for ▁home ▁claimed ▁that ▁nearly ▁ 1 . 4 ▁Mill ion ▁Bang l ades hi ▁migr ants ▁entered ▁India ▁in ▁the ▁last ▁de cade ▁alone . ▁In ▁ 2 0 0 7 ▁the ▁Indian ▁government ▁stated ▁that ▁there ▁were ▁up ▁to ▁ 3 0 , 0 0 0 ▁Bang l adesh is ▁living ▁in ▁India ▁il leg ally , ▁though ▁Sam ir ▁Gu ha ▁Roy ▁of ▁the ▁Indian ▁Statist ical ▁Institute ▁called ▁these ▁estimates ▁" mot iv ated ly ▁ex agger ated ". ▁After ▁exam ining ▁the ▁population ▁growth ▁and ▁dem ographic ▁statistics , ▁Roy ▁instead ▁states ▁that ▁many ▁of ▁the ▁pres umed ▁illegal ▁Bang l adesh is ▁are ▁actually ▁Indian ▁citizens ▁migr ating ▁from ▁neighbour ing ▁states . ▁ ▁Pre ▁partition ▁– ▁ 1 9 7 0 s ▁ ▁Before ▁the ▁Part ition ▁of ▁India ▁internal ▁migration ▁was ▁common place ▁between ▁the ▁region ▁which ▁is ▁now ▁Bang l adesh ▁and ▁the ▁regions ▁of ▁Ass am ▁and ▁West ▁Beng al . ▁While ▁under ▁colonial ▁rule ▁Ass am ▁was ▁sp ars ely ▁populated ▁and ▁the ▁British , ▁who ▁wanted ▁to ▁explo it ▁the ▁resources ▁from ▁the ▁region ▁wished ▁to ▁see ▁it ▁settled . ▁Through ▁internal ▁migration ▁labour ▁was ▁brought ▁from ▁the ▁northern ▁regions ▁of ▁India , ▁West ▁Beng al ▁and ▁the ▁region ▁which ▁now ▁compr ises ▁Bang l adesh . ▁ ▁During