Siddhidatri is the ninth form of Goddess. She is worshipped on the ninth day of Navaratri. Siddhidatri has supernatural healing powers. She has four arms and she is always in a blissful happy enchanting pose. She rides on the lion as her vehicle. She blesses all Gods, saints, yogis, tantrics and all devotees as a manifestation of the Mother Goddess. In ‘Devi Bhagvata Purana’ it is mentioned that Lord Shiva worshipped her and was blessed with all Siddhis (supernatural powers). By her blessings his half body became female and other half body male in the avatar of Ardhnarishvara.