az aar ▁district ) ▁areas ▁of ▁Bang l adesh . ▁T anch ang y as ▁also ▁live ▁in ▁North - east ▁Indian ▁states ▁( Ass am , ▁T rip ura ▁and ▁M iz or am ) ▁and ▁R akh ine ▁State ▁of ▁the ▁My an mar . ▁Most ▁of ▁T anch ang y as ▁live ▁in ▁reserve ▁forest ▁of ▁C HT ▁but ▁on ▁ 1 0 ▁April ▁ 2 0 0 0 ▁the ▁government ▁declared ▁a ▁new ▁law ▁entitled ▁" The ▁Forest ▁( Am end ment ) ▁Act ; ▁ 2 0 0 0 ." ▁According ▁to ▁this ▁act , ▁cultiv ation ▁and ▁prepar ation ▁of ▁cultiv ation ▁on ▁reserve ▁forest ▁land ▁are ▁illegal , ▁and ▁as ▁a ▁result ▁the ▁surv ival ▁of ▁these ▁groups ▁in ▁the ▁area ▁becomes ▁more ▁difficult . ▁ ▁Due ▁to ▁lack ▁of ▁research , ▁there ▁is ▁also ▁confusion ▁about ▁the ▁numbers ▁of ▁T anch ang y as . ▁According ▁to ▁census ▁of ▁ 2 0 0 1 ▁there ▁are ▁ 3 1 , 1 6 4 ▁T anch ang ya ▁in ▁C HT ▁( source : ▁solid ar ity 2 0 0 2 , ▁Bang l adesh ▁Ad iv asi ▁Forum ). ▁ ▁The ▁M ros ▁( M rus ▁or ▁Mo or angs ) ▁ ▁The ▁M ro ▁people ▁are ▁considered ▁the ▁original ▁inhabitants ▁of ▁the ▁Ch itt ag ong ▁Hills ▁where ▁they ▁migr ated ▁from ▁A rak an ▁of ▁Bur ma ▁from ▁the ▁ 1 4 th – 1 5 th ▁century . ▁They ▁lived ▁on ▁valle