Jehanabad: Hidden amid the granite hills of Bihar, the Barabar Caves stand as India’s oldest surviving rock-cut caves and one of the greatest engineering achievements of the ancient world. Built over 2,300 years ago during the Mauryan Empire, their mirror-like polish, remarkable acoustics, and astonishing precision continue to intrigue historians, archaeologists, and engineers alike.
The BARABAR CAVES in Bihar are among India's greatest archaeo…