Faatumu le fuaiupu lenei: O aʻa o le PCJSS e mafai ona maua i le Hill Tracts Students 'Association ma le Parbatya Chattagram Upajatiya Kalyan Samiti (United People's Welfare and Development Party o Chittagong Hill Tracts) na faʻatulagaina i le 1960s i le taimi lea o East Pakistan. Na faasaga atu nei faalapotopotoga e fai ma sui o le 100,000 o tagatānuu na aveese mai o latou aiga ona o le fausiaina o le Pa o Kaptai, ma talosagaina ai le toe faaleleia o o latou tulaga ma se taui. Ina ua mavae le
ina ua faavaeina Bangladesh i le 1971, o sui o le Chittagong Hill Tracts e pei o le Chakma politicians Charu Bikash Chakma ma Manabendra Narayan Larma na sailia le tutoatasi ma le aloaʻia o aia tatau a tagata o le itulagi. Na tetee Larma ma isi i le ata o le Faavae o Bangladesh, e ui lava na aloaʻia e le Faavae le faʻailoga a tagata ae o Larma ma isi na mananaʻo i le puleʻaga atoa ma le vavaeʻese mai Bangladesh. O le faiga faavae a le malo e na o le aganuu Bengali ma le gagana Bengali na aloaʻia ma faaigoaina tagatanuu uma o Bangladesh o Bengalis. I talanoaga ma le vaega o tagata o le Hill Tracts na taʻitaʻia e Manabendra Narayan Larma, na finau ai le taʻitaʻi o le atunuu, o Sheikh Mujibur Rahman, ina ia talia e tagata o le Hill Tracts le faasinomaga o Bengali. Na lipotia mai foʻi na faamataʻu atu Sheikh Mujib e faamalosia tagata Bengali e nonofo i vaega maualuluga e faaitiitia ai tagata o le atunuu i se vaega toʻaitiiti.