In Mahabharata
Surya is not mentioned as one of the Adityas in the first book of the epic Mahabarata, but may be regarded as the compound of the twelve solar deities mentioned there, to be understood in connection to the Jyotisha vedic astrology: Dhatri, Mitra, Aryaman, Sakra, Varuna, Amsa, Vaga, Vivaswat, Usha, Savitri, Tvashtri, Vishnu.
In Mahabharata, Surya is referred to as father of Karna, as he begot the latter on Kunti when she was virgin. With his grace and in order that Kunti is not spoken of badly in the world, Kunti could retain virginhood even after delivering a child.
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