Nara-Narayana appeared in the lineage of Swayambhuva manu who was the first manu of first Manvantra. 4 yugas is equal to one Chtur-Yuga. 1000 of such chatur yugas is one kalpa. read more
Arjuna was the son of Indra, the king of the celestials, born of Kunti, the first wife of King Pandu in the Kuru Kingdom. In a previous birth he was a saint named Nara who was the lifelong companion of another saint Narayana an incarnation of Lord Vishnu who took rebirth as Lord Krishna. read more