Mani-naga Temple, built around the 6th century, falls among the Gupta group of temples. It is situated at
Rajgir, which is 10 km south of Nalanda.
The temple is a cylindrical brick-structure with shallow offsets at the four cardinal points. The walls of the temple are decorated with niches and sculptors of various divinities such as Ganesh, Vishnu and Nagas.