Which of the following states celebrates Hornbill festival every year?

The state of Nagaland started this festival in the year 2000 with an aim to boost tourism. • The festival is held every year in December at Naga Heritage Village, Kisama. • The bird finds mention in the folklore of almost all the tribes of Nagaland. • Therefore people from all the tribes unite here to celebrate the festival. • In February 2020, the state of Tripura also celebrated the Hornbill festival. The Great Indian Hornbill:                                 • The Great Indian Hornbill is also known as the Great Hornbill or the Great Pied Hornbill. Its scientific name is Buceros Bicornis. It is a black bird with a yellow bill and casque, and white neck, belly, and tail. • These are found in the forests of South and Southeast Asia. It is the state bird of Kerela and Arunachal Pradesh. • Conservation status: • IUCN: Near threatened. • CITES: Appendix I • Wildlife Protection Act 1972: Schedule I, Part III *The state bird of Nagaland is Blyth's Tragopan and not the Great Hornbill