is a state in northeastern India. Meghalaya was formed by carving out two districts from the state of Assam: the United Khasi Hills and Jaintia Hills, and the Garo Hills on 21 January 1972. Meghalaya was previously part of Assam, but on 21 January 1972, the districts of Khasi, Garo and Jaintia hills became the new state of Meghalaya. The population of Meghalaya as of 2016 is estimated to be 3,211,474. Meghalaya covers an area of approximately 22,430 square kilometres, with a length-to-breadth ratio of about 3:1.