▁some ▁people ▁over ▁Chinese ▁invest ment ▁in ▁the ▁country . ▁ ▁India ▁ ▁During ▁the ▁S ino - Ind ian ▁War , ▁the ▁Chinese ▁faced ▁anti - n ational ▁sentiment ▁un le ashed ▁by ▁the ▁Indian ▁National ▁Congress - domin ated ▁government . ▁Chinese ▁business es ▁were ▁investig ated ▁for ▁links ▁to ▁the ▁Chinese ▁government ▁and ▁many ▁people ▁of ▁Chinese ▁origin ▁were ▁intern ed ▁in ▁pr isons ▁in ▁North ▁India . ▁The ▁Indian ▁government ▁passed ▁the ▁Def ence ▁of ▁India ▁Act ▁in ▁December ▁ 1 9 6 2 , ▁perm itting ▁the ▁" app reh ension ▁and ▁det ention ▁in ▁cust ody ▁of ▁any ▁person ▁[ s us pected ] ▁of ▁being ▁of ▁host ile ▁origin ." ▁The ▁broad ▁language ▁of ▁the ▁act ▁allowed ▁for ▁the ▁arrest ▁of ▁any ▁person ▁simply ▁for ▁having ▁a ▁Chinese ▁surname ▁or ▁a ▁Chinese ▁sp ouse . ▁The ▁Indian ▁government ▁in car cer ated ▁thousands ▁of ▁Chinese - Ind ians ▁in ▁an ▁intern ment ▁camp ▁in ▁De oli , ▁Raj as than , ▁where ▁they ▁were ▁held ▁for ▁years ▁without ▁trial . ▁The ▁last ▁inter ne es ▁were ▁not ▁released ▁until ▁ 1 9 6 7 . ▁Th ous ands ▁more ▁Chinese - Ind ians ▁were ▁for ci b ly ▁deport ed ▁or ▁co er ced ▁to ▁leave ▁India . ▁Near ly ▁all ▁inter ne es ▁had ▁their ▁properties ▁sold ▁off ▁or ▁lo oted . ▁Even ▁after ▁their ▁release , ▁the ▁Chinese ▁Indians ▁faced ▁many ▁restrictions ▁in ▁their ▁freedom . ▁They ▁could ▁not ▁travel ▁freely ▁until ▁the ▁mid