Question: the states of manipur tripura and meghalaya were formed in
Answer: State Historic Name Capital ( s ) Statehood Arunachal Pradesh North - East Frontier Agency Itanagar 1987 ( earlier a Union Territory of India , constituted in 1971 ) Assam Pragjyotisha , Kamarupa Shillong ( till 1969 ) , Dispur 1947 Manipur Kangleipak Imphal 1971 ( earlier a Union Territory of India , constituted in 1956 ) Meghalaya Khasi hills , Jaintia hills and Garo hills Shillong 1971 Mizoram Lushai hills Aizawl 1987 ( earlier a Union Territory of India , constituted in 1971 ) Nagaland Naga hills Kohima 1963 Sikkim Sukhim Gangtok Tripura Tipperah Agartala 1971 ( earlier a Union Territory of India , constituted in 1956 )