▁of ▁res ent ment ▁over ▁imm igration , ▁claimed ▁the ▁lives ▁of ▁at ▁least ▁ 2 , 1 9 1 ▁people , ▁though ▁uno fficial ▁figures ▁run ▁to ▁more ▁than ▁ 5 , 0 0 0 . ▁No ▁investigation ▁of ▁the ▁incident ▁has ▁ever ▁been ▁launched . ▁The ▁A AS U ▁denied ▁any ▁invol vement ▁in ▁the ▁mass acre , ▁and ▁since ▁then ▁there ▁have ▁been ▁no ▁instances ▁of ▁commun al ▁violence ▁in ▁Upper ▁Ass am . ▁ ▁False ▁Est im ates ▁of ▁Bang l adesh is ▁in ▁India ▁ ▁Sam ir ▁Gu ha ▁Roy ▁of ▁the ▁Indian ▁Statist ical ▁Institute ▁called ▁the ▁government ▁estimates ▁of ▁illegal ▁Bang l adesh is ▁" mot iv ated ly ▁ex agger ated ". ▁After ▁exam ining ▁the ▁population ▁growth ▁and ▁dem ographic ▁statistics , ▁Roy ▁instead ▁states ▁that ▁a ▁significant ▁numbers ▁of ▁internal ▁migration ▁is ▁sometimes ▁f als ely ▁thought ▁to ▁be ▁illegal ▁imm igr ants . ▁An ▁analysis ▁of ▁the ▁numbers ▁by ▁Roy ▁revealed ▁that ▁on ▁average ▁around ▁ 9 1 0 0 0 ▁Bang l ades hi ▁national s ▁might ▁have ▁crossed ▁over ▁to ▁India ▁every ▁year ▁during ▁the ▁years ▁ 1 9 8 1 – 1 9 9 1 ▁but ▁how ▁many ▁of ▁them ▁where ▁identified ▁and ▁pushed ▁back ▁is ▁not ▁known . ▁It ▁is ▁possible ▁that ▁a ▁large ▁portion ▁of ▁these ▁imm igr ants ▁returned ▁on ▁their ▁own ▁to ▁their ▁place ▁of ▁origin . ▁ ▁Most ▁of ▁the ▁Beng ali ▁speaking ▁people ▁deport ed ▁from ▁Mah ar as ht ra ▁as ▁illegal