The correct answer is c) Chhau.
Chhau is a traditional dance form from eastern India and western Bangladesh. It is performed by masked dancers who portray characters from Hindu mythology and folklore. The masks are often elaborate and detailed, and they play an important role in the storytelling aspect of the dance.
Bhand Pather is a folk art form from Rajasthan, India. It is performed by a group of men who sing and dance while playing musical instruments. The dancers often wear masks, but they are not an essential part of the performance.
Hafiza is a Sufi devotional practice that involves the recitation of religious texts. It is not typically associated with dance.
Gatka is a martial art form from Punjab, India. It is performed by two or more people who use swords, sticks, and other weapons. The art form does not involve the use of masks.