A major festival celebrated by many Mizo tribes is:

Chapchar Kut
Hornbill Festival
Onam
Pongal

The correct answer is: a) Chapchar Kut.

Chapchar Kut is a major festival celebrated by many Mizo tribes in the Indian state of Mizoram. It is a harvest festival that marks the end of the agricultural season. The festival is celebrated for a week, and includes a variety of activities such as dancing, singing, feasting, and cockfighting.

The other options are incorrect because:

  • b) Hornbill Festival is a festival celebrated by the Naga people of Nagaland, India. It is a week-long festival that celebrates the rich culture and heritage of the Naga people.
  • c) Onam is a harvest festival celebrated by the Malayali people of Kerala, India. It is a 10-day festival that marks the homecoming of the mythical king Mahabali.
  • d) Pongal is a harvest festival celebrated by the Tamil people of Tamil Nadu, India. It is a four-day festival that marks the beginning of the Tamil month of Thai.