Prior to attaining statehood, Meghalaya was a part of which state?

The correct answer is: b) Assam

Meghalaya was a part of Assam prior to attaining statehood on 21st January 1972. It was a Union Territory from 1963 to 1972.

Option a) West Bengal is incorrect because Meghalaya is not a part of West Bengal.

Option c) Nagaland is incorrect because Meghalaya is not a part of Nagaland.

Option d) Manipur is incorrect because Meghalaya is not a part of Manipur.