When India was split into two separate countries in 1948, the Radcliffe Line gave this area to East Pakistan (Bangladesh), which was mostly Muslim, even though most people in the area were Buddhists. Today most people are Buddhist, some Christians and animists. The major ethnic groups among 13 peoples are the Chakma, Tipra, Murong and Magh, Marma, Tanchangya, Mro, Lushai, Khumi, Chak, Khiyang, Bawm, Pangkhua and with the Ten indigenous languages. Beside, a very small number of descendants of Ahamiya, Gorkha and Santal also live there. They collectively identify themselves as the Jumma people (High Landers), the first people of the CHT.but almost 50% of the present day's population are immigrated Bengali Muslim settlers. Since the Independence of Bangla-Desh the indigenous population was faced with increasing immigration of settlers from the mainland, fostered by the central nationalist government. Among the tribal nations first political and civil, later (since the 1980s) armed resistance was organised, especially by the Shanti Bahini guerrilla movement. In reaction the whole region was heavily militarised and the police and army unleashed a wide spread repression with a serious human rights violations. The 5-points-manifesto of the Jana Samhati Samiti, released on 7 September 1987, was focused on a well entrenched Autonomy: