Correct Option: B

Nalanda was an ancient center of higher learning in Bihar, India. It was a Buddhist center of learning from the fifth or sixth century CE to 1197 CE. Nalanda flourished between the reign of the Chakraditya (whose identity is uncertain and who might have been either Kumara Gupta I or Kumara Gupta II) and 1197 CE, supported by patronage from the Hindu Gupta rulers as well as Buddhist emperors like Harsha and later emperors from the Pala Empire