Urdhāyana (Urdhayana) was one of the varṇas (varnas) of the four varṇas (varnas) called Hṁsa (Hansa), Pataṁga (Patanga), Urdhāyana (Urdhayana) and Satyāṁga (Satyanga) at Plaṣadwīpa (Plakshadwipa). Perhaps, Urdhāyana (Urdhayana) varṇa (varna) was similar to the Vaiśya (Vaisya) varṇa (varna) which is prevalent in our society.