Solution:The Nagarjuni Caves are located in Jehanabad district, Bihar.• Nagarjuni cave have a three caves.
(i) Gopi cave: It is built by Maurya ruler Dashratha, who is a grandson of Ashoka. This cave is dedicated to Ajivika sects.
(ii) Vadalika Cave: It is build by Mauryan ruler Dashratha.
(iii) Vapiyaka cave : It is built by maurayan ruler Dashratha to Ajivika sects.