This day dedicated to Goddess Siddhidatri. Worshiping her on the final ninth day of Navratri grants all kinds of achievements to her devotees and it leads to the successful completion of Navratri Festival.There is meaning of Siddhidatri = Siddhi (Perfection) + Datri (Giver) = The one, who grants perfections and achievements to her devotees.It is believed that Goddess Siddhidatri is capable of bestowing all the achievements in life. There are 8 siddhi (achievements) as mentioned in Markandaye Purana named Anima, Mahima, Garima, Laghima, Prapti, Prakaamya, Ishitva and Vashitva.