When is the statehood day of Tripura observed?

21 January

The correct answer is Option (3) - 21 January

The statehood day of Tripura is observed on 21 January. The area of modern Tripura was part of an independent princely state under the protectorate of the British Empire. The independent Tripuri Kingdom (also known as Hill Tippera) joined the newly independent India in 1949. On 21 January 1972, the three states of Manipur, Tripura, and Meghalaya became fullfledged states under the North Eastern Region (Reorganisation) Act of 1971. The state has a tropical savanna climate, designated Aw under the Köppen climate classification.