The correct answer is A. Bihu.
Bihu is a major annual festival of Assam, India. It is a time for thanksgiving to the nature gods for a bountiful harvest. The festival is celebrated in three different forms: Bohag Bihu (celebrated in the month of Bohag, which corresponds to AprilâMay), Kati Bihu (celebrated in the month of Kati, which corresponds to SeptemberâOctober), and Magh Bihu (celebrated in the month of Magh, which corresponds to JanuaryâFebruary).
Bihu is a time for feasting, dancing, and singing. The most popular Bihu dance is the Bihu dance, which is performed by both men and women. The Bihu dance is a lively and energetic dance that is performed to the accompaniment of traditional Assamese music.
Ojapali is a folk dance and music tradition of Assam. It is a form of storytelling that is performed through dance and music. The Ojapali tradition is said to have originated in the 16th century.
Ankia Nat is a form of folk theatre that is popular in Assam. It is a form of dance-drama that is performed to the accompaniment of traditional Assamese music. The Ankia Nat tradition is said to have originated in the 13th century.
None of the above options is a post-harvest folk dance in Assam.