Indratāpana (Indratapana) is a Dānava (Danava; a type of demons) sired by Prajāpati (Prajapati, Ruler of the people) Kaśyapa(Kasyapa), and born of the womb of Danu, daughter of Dakṣa(Daksha). According to Purāṇa (Purana; Muthological Scripture), Indratāpana was one of those sons of Danu — who adopted the manuṣyadharma ( manushyadharma; ways and codes of conduct performed by humankind) .
It is mentioned that Indratāpana, king of the Dānava, used to stay in the sabhā (sabha; court or assembley) of Varuṇa (Varuna).