Kumhrar Excavation Park

Kumhrar or Kumrahar is the area of Patna where remains of the ancient city of Pataliputra were excavated by the Archaeological Survey of India starting from 1913. It is located 5 km east of Patna Railway Station.

Archaeological remains of the Mauryan period have been discovered here, this include the ruins of a hypostyle 80-pillared hall The excavation finding here dates back to 600 BCE, and marks the ancient capital of Ajātasattu, Chandragupta and Ashoka, and collectively the relics range from four continuous periods from 600 BCE to 600 CE.

Source: Wikipedia