Manipur, Meghalaya and Tripura celebrate their 42nd statehood day on __________.

Manipur, Meghalaya and Tripura are celebrating their statehood day. It is their 42nd statehood day. In the year 1972, all the three states became full-fledged states under the North Eastern Region (Reorganisation) Act, 1971. The erstwhile princely states of Tripura and Manipur were merged with India in 1949 and became full-fledged states in 1972. Meghalaya was a part of Assam before it was carved out as a full-fledged state under the North Eastern Region (Re-Organisation) Act, 1971.