31.
India's trade with the Roman Empire came to an end with the invasion of Rome by the

32.
Emperor Harsha's southward march was stopped on the Narmada river by

33.
During which Gupta King's reign did the Chinese traveller Fahien visit India?

34.
Nalanda University was a great centre of learning, especially in

35.
The official court language of the Guptas was

36.
Varahamihira is

37.
Who was called Lichchavi Dauhitra?