Correct Answer - Option 1 : 1972
- In 1972, Manipur, Meghalaya, and Tripura were granted full statehood via the North East Reorganization Act 1972, and the Mizo Hills region of Assam and NEFA was converted into a Union Territory.
- Manipur and Tripura states were granted the status of Union Territories in 1949.
- Meanwhile, Nagaland was granted statehood on December 1, 1963.
- Within Assam, Meghalaya has been given the status of an autonomous state through the Assam Reorganisation (Meghalaya) Act 1969, according to the sixth schedule of the Indian constitution.
- It was finally, in 1972 that Tripura, Meghalaya was granted full statehood by the North East Reorganisation Act of 1971.
Hence, the states of Manipur, Tripura, and Meghalaya were formed in the year 1972.
