History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c29.s2.t2.9

v1.c29.s2.t2.9

Of the former, some of the earliest examples of rock-cut architecture are found in the granite outcrops of twin Barabar and Nagarjuni hills of Bihar where seven cave temples date from 3rd century B.C. There are Mauryan period inscriptions which indicate that these caves served as retreats for Jain monks. The interiors are remarkable for their mirror-like polished surface as seen at Sudama and Lomaś Ṛṣi Cave.