Who destroyed Nalanda University in Bihar?

Bakhtiyar Khalji invaded Nalanda University in 1197. He destroyed the university and killed many of its scholars. The destruction of Nalanda University was a major blow to Buddhist education in India.

The other options are incorrect.

• Kutubuddin Aibak was the founder of the Delhi Sultanate. He ruled from 1206 to 1210.
• Ghiyasuddin Tughlaq was the second Sultan of the Tughlaq dynasty. He ruled from 1320 to 1325.
• Alauddin Khalji was the third Sultan of the Tughlaq dynasty. He ruled from 1296 to 1316.