Nav Durga is the nine forms of existence or entities of Durga, the Goddess of vitality and power. The nomenclatures are Shailpurtri, Bhrahmacharini, Chandra Ghanta, Kooshmanda, Skandhamata, Katyayani, Kalaratri, Mahagowri, Siddhidatritriya. Each form belongs to one of the versatile powers of Durga.