The Chakma people, are a native group from the easternmost regions of the Indian subcontinent, they are the largest ethnic group in the Chittagong Hill Tracts region in southeastern Bangladesh, and in Mizoram, India (Chakma Autonomous District Council), they are the second largest ethnic group, and in Tripura, India, they are the fourth largest ethnic group, and having sizable population in other parts of Northeast India, such as, around 50 thousand Chakmas in Arunachal Pradesh, India, whose first generation had migrated there in 1964 after the Kaptai dam tragedy, and 20-30 thousand Chakmas are in Assam, India. Their ethnicity is closely linked with the peoples of East Asia. However, the Chakma language (written in the Chakma script) is part of the Indo-Aryan language family of the Indian subcontinent. Most Chakma people are adherents of Therevada Buddhism. The Chakmas are divided into 46 clans or Gozas. The community is headed by the Chakma Raja, whose status as a tribal head has been historically recognized by the Government of British India and the Government of Bangladesh.