What is "vainyagupta"

Vainyagupta was one of the lesser known kings of the Gupta dynasty. He is known from the fragmentary clay sealing discovered at Nalanda and the Gunaighar copper plate inscription dated Gupta era 188 (507 CE). R. C. Majumdar considers him as son of Purugupta. In the Nalanda fragmentary clay sealing he is mentioned as the Maharajadhiraja and a paramabhagavata (devout worshipper of Vishnu), while the Gunaighar copper plate inscription mentions him as the Maharaja and a Bhagavan Mahadeva padanudhyato (devotee of Shiva).