"Udayagiri is a Buddhist complex in Orissa composed of major stupas and monasteries (viharas), similar to Ratnagiri, and together with Lalitgiri and Ratnagiri part of Puspagiri University. As per epigraphical artifacts found here, its historical name was “Madhavapura Mahavihara.”
Numerous excavations by the A.S.I.
have been conducted since 1958, and continue to this day. During the
large excavation from 1997 to 2000, a second part (Udayagiri-2) was
discovered with additional stupas and monasteries."