Panchajanya (IAST: pāñcajanya) is the Shankha or conch of the Hindu god Vishnu. According to the Mahabharata, Purushottama (Vishnu) killed a Danava (demon) named Panchajana on a mountain named Chakravan constructed by Vishwakarma and took away the conch shell in which Panchajanya had lived. The conch was named after the Danava.