The correct answer is: a) Colorful dances and traditional attire.
Chapchar Kut is a major spring festival in Mizoram, India. It is celebrated by the Mizo people to mark the beginning of the new year. The festival is a time for feasting, dancing, and singing. People wear their traditional attire and participate in colorful dances. The festival also includes religious ceremonies and prayers for a good harvest.
Option b) is incorrect because Chapchar Kut is not a religious festival. It is a secular festival that is celebrated by all people, regardless of their religion.
Option c) is incorrect because elephant races are not a part of Chapchar Kut. However, elephant races are a popular sport in Mizoram and are often held during other festivals.
Option d) is incorrect because fire displays are not a part of Chapchar Kut. However, fire displays are sometimes held during other festivals in Mizoram.