Usually the barren women of the region perform this form of dance to invoke the blessings of the Gods so that their wishes are fulfilled. Traditionally this dance is performed after a person recovers from a contagious disease like small pox

Brita dance (or Brita Bahu) is a traditional folk dance from West Bengal, performed primarily by women who have been barren or after recovering from contagious diseases like smallpox. The dance is a form of thanksgiving to the gods, particularly to the goddess Shitala, for recovery and fulfillment of wishes. Option B correctly identifies this ritual dance form.