On 2 February 1992 Bangladesh army backed Muslim settlers killed at least 30 indigenous Chakma Buddhists at Mallya. One of them was Shantibala Chakma, the wife of Mr. Saral Kumar Chakma. Two bombs exploded on a river ferry at Mallya. The explosion killed a passenger and seriously injured the skipper of the ferry. The survivors swam ashore but the armed Muslim settlers were waiting for them and attacked the indigenous Chakma Buddhists - men women and children.
Bengali settlers massacre indigenous people in Ramgarh
On 26 June 1981, Bangladesh army backed Muslim settlers invaded the indigenous area in the vicinity of Banraibari, Beltali and Belchari, murdered 500 indigenous men, women and children, and occupied their villages and farmlands. Thousands of indigenous people fled to the nearby forests and 5,000 of them managed to seek refuge in the Tripura State of India