The recent archaeological excavations carried out by the excavation branch of the Archaeological Survey of India (ASI) at Juafferdih, located barely three km west of the ruins of ancient Nalanda Mahavihara, suggest that the history of this region might date back to 1000 or more years. Nalanda Mahavihara, regarded as one of the greatest universities of the ancient world, was founded by Kumaragupta-I (413-455 AD) of the Gupta dynasty. King Harshavardhana of Kannauj (606-647 AD) and the Pala kings of the Eastern India (8th-12th century AD) continued to extend patronage to this centre of learning.
Scientists from the Indian Space Research Organisation (ISRO) have been asked to help explore ruins in and around the ancient Nalanda University in Bihar. P.K. Mishra, the superintending archaeologist of the Archaeological Survey of India (ASI), Patna circle, said the radar mapping would help to explore the ruins for further excavation.
Hieun Tsang, the famous Chinese scholar who visited Nalanda in the 7th century, stated in his account that the university was spread over 16 kilometres. However, till now hardly 1.6 square kilometres of the ruins of more than 2,500-year-old university was excavated.