▁Beng ali ▁illegal ▁imm igr ants ▁on ▁the ▁elect oral ▁roll s ▁in ▁Ass am . ▁This ▁led ▁to ▁a ▁popular ▁movement ▁against ▁und ocument ed ▁imm igr ants ▁known ▁as ▁the ▁Ass am ▁Mov ement , ▁which ▁ins isted ▁on ▁striking ▁the ▁names ▁of ▁illegal ▁imm igr ants ▁from ▁the ▁elect oral ▁register ▁and ▁advoc ated ▁for ▁their ▁deport ation ▁from ▁the ▁state . ▁The ▁movement ▁demanded ▁that ▁anyone ▁who ▁had ▁entered ▁the ▁state ▁il leg ally ▁since ▁ 1 9 5 1 ▁be ▁deport ed , ▁though ▁the ▁central ▁government ▁ins isted ▁on ▁a ▁cut off ▁date ▁of ▁ 1 9 7 1 . ▁There ▁was ▁w ides p read ▁support ▁for ▁the ▁movement , ▁though ▁it ▁t aper ed ▁off ▁between ▁ 1 9 8 1 ▁and ▁ 1 9 8 2 . ▁ ▁Tow ard ▁the ▁end ▁of ▁ 1 9 8 2 ▁the ▁central ▁government ▁called ▁elections , ▁and ▁the ▁Ass am ▁Mov ement ▁called ▁for ▁people ▁to ▁boy c ott ▁them . ▁This ▁resulted ▁in ▁the ▁ 1 9 8 3 ▁Nell ie ▁mass acre , ▁described ▁by ▁Ant ara ▁Dat ta , ▁as ▁one ▁of ▁the ▁largest ▁and ▁most ▁severe ▁pog rom s ▁since ▁the ▁Second ▁World ▁War . ▁Pre viously , ▁the ▁All ▁Ass am ▁Stud ents ▁Union ▁( A AS U ) ▁had ▁emphas ised ▁economic ▁reasons ▁for ▁the ▁protest s ▁and ▁had ▁employed ▁only ▁non vi ol ent ▁methods . ▁The ▁Nell ie ▁mass acre , ▁a ▁result ▁of ▁a ▁bu il dup