Nalanda University was first established during Gupta regime. It was a known ______________ centre of learning.

Correct option is C

Nalanda University (5th–12th century CE) was a Buddhist monastic university, founded during the Gupta Empire, especially under Kumaragupta I. It attracted scholars from across Asia.

Information Booster:
The university offered studies in Buddhist philosophy, logic, grammar, medicine, and astronomy.

Additional Knowledge:
Nalanda had nine-storeyed libraries, and scholars like Xuanzang (Hiuen Tsang) and I-Tsing visited it. It was later revived in modern times as Nalanda International University in Bihar, India.