Correct Answer: (a) Meghalaya
Solution:The Wangala festival is celebrated primarily by the Garo tribe in the state of Meghalaya, India. It is a harvest festival that is usually held in the months of October and November, and is celebrated with great enthusiasm by the Garo people. During the festival, the Garo community offers thanks to the Sun-God, known as Misi Saljong, for a bountiful harvest and to seek his blessings for a good harvest in the future.