e unmanifest form of the Mother Goddess, Adi Parashakti for creation. As Adi Parashakti, the Mother Goddess was pure energy and had no form. She thus appeared in the form of Siddhidhatri from the left half of Shiva. Day of worship: 9th day of Navratri Governing planet: Ketu Mantra: Om Devi Siddhidatryai Namah ॐ देवी िसिदायैनम Iconography: Goddess Siddhidatri sits on Kamal and rides on the lion. She is depicted with four hands. She has Gada in the one right hand, Chakra in the other right hand, lotus flower in the left hand and Shankh in the other left hand. Specific power: She bestows all types of siddhi(supernatural powers) to her devotees and hence is worshipped by humans, ghandarvas, asuras and devas alike.