The ninth day of Navratri is dedicated to Goddess Siddhidatri. Siddhidatri or Siddhidayani is the Goddess of wisdom. She fulfills the wishes of her devotees and endows them with intellect and wisdom. She has four arms and uses the lion as her vehicle. She is believed to be the creator of the Universe. Anyone who keeps a fast on this day and worships Goddess Siddhidayini is blessed with a prosperous life and all his wishes come true.