▁comp ares ▁with ▁ 2 0 2 , 9 7 4 ▁persons . ▁ ▁The ▁Ch ak mas ▁ ▁The ▁Ch ak mas ▁are ▁the ▁largest ▁tribe ▁of ▁Bang l adesh . ▁Buddh ism ▁is ▁the ▁most ▁common ▁religion ▁within ▁the ▁tribe . ▁They ▁refer ▁to ▁their ▁trib al ▁chief ▁as ▁Ch ak ma ▁R aja . ▁Ch ak mas ▁are ▁considered ▁more ▁privile ged ▁than ▁most ▁other ▁ind igen ous ▁Bang l ades hi ▁tribes . ▁They ▁have ▁their ▁own ▁language , ▁culture , ▁tradition , ▁and ▁history . ▁Women ▁wear ▁pin on ▁and ▁k h adi [ Hand made ] ▁and ▁men ▁wear ▁d h uti . ▁They ▁grow ▁cro ps ▁via ▁a ▁special ▁e co - friend ly ▁method ▁called ▁" J hum ▁cultiv ation ". ▁They ▁migr ated ▁to ▁Bang l adesh ▁in ▁the ▁ 1 5 th ▁century . ▁ ▁The ▁Mar mas ▁ ▁Mar mas ▁are ▁the ▁second ▁largest ▁eth nic ▁group ▁in ▁Bang l adesh ▁and ▁they ▁are ▁of ▁Bur m ese ▁( My an mar ) ▁ancest ry . ▁The ▁Mar mas ▁regarded ▁Bur ma ▁( My an mar ) ▁as ▁the ▁centre ▁of ▁their ▁cultural ▁life . ▁Histor ically ▁it ▁is ▁believed ▁that ▁the ▁A rak an ese ▁em peror ▁has ▁inv aded ▁the ▁south - e astern ▁region ▁of ▁the ▁current ▁Bang l adesh . ▁Since ▁then ▁the ▁region ▁was ▁ruled ▁under ▁the ▁Bur m ese ▁em peror ▁and ▁Mar ma ▁eth nic ▁groups ▁were ▁established ▁from ▁that ▁period . ▁Their ▁cultural ▁tra