Aparājita(Aparajita) is a Nāga (Naga; Snake)born of the womb of Kadrū (Kadru), daughter of Dakṣa (Daksha), and sired by Kaśyapa (Kasyapa) Prajāpati (Prajapati). In Āstīka(Astika) parva of Mahābhārata (Mahabharata), while describing the names of serpents, this name has also been mentioned. Again, while describing the city of Bhogavatī (Bhogavati) in Pātāla (Patala, the underworld), the name of this Nāga is mentioned among those who dwell there.