Pravarana Shashti is an auspicious day celebrated in Odisha and Bengali calendars. In 2013, Pravarana Shashti date is December 8th.
It falls on the sixth day of bright half in Margashirsha Month of Hindu calendar (Margashirsha Shukla Paksha Shashti).
Pravarana Shashti is also observed as Odhana Shashti, Champak Shashti and Subramanya Shashti in other places.
On this day, charities or donation of clothes, food, and other things are done to Brahmins to get rid of the sins committed by the performer in his/her previous births.