The correct answer is: b) Bhaona.
Bhaona is a traditional form of dance-drama from Assam, India. It is performed by a group of masked dancers who enact stories from Hindu mythology. The masks are made of terracotta and are decorated with elaborate designs.
Bhortal Nritya is a folk dance from West Bengal, India. It is performed by a group of women who wear colorful costumes and dance to the accompaniment of drums and cymbals. The dance is a celebration of spring and the arrival of the monsoon rains.
Bihu dance is a folk dance from Assam, India. It is performed by men and women who wear traditional Assamese costumes and dance to the accompaniment of drums and cymbals. The dance is a celebration of the harvest season.
Ojapali is a traditional form of folk music and dance from Assam, India. It is performed by a group of singers and dancers who sing and dance to the accompaniment of drums and cymbals. The songs are usually about love, nature, and religion.
Terracotta masks are also used in other traditional performances, such as the Kathakali dance-drama from Kerala, India. However, Bhaona is the only performance that is specifically associated with terracotta masks.