Correct Answer:
Option D - After independence, Tripura became a part of India in the year 1949 and on 1 July 1963 AD it was made a Union Territory, later on 21 January, 1972 AD it was given full state status.
D. After independence, Tripura became a part of India in the year 1949 and on 1 July 1963 AD it was made a Union Territory, later on 21 January, 1972 AD it was given full state status.