**3.6 Important educational centers**

1.*Delhi:* Nasiruddin established Madarsa -i-Nasiria under the reign of the Shiraz Allauddin Khilji and established many Madarsas with renowned teachers in them. Mughal emperor Humayun established many big institutions of astronomy and geography in Delhi. He also introduced institutions where subjects like Arabic, Persian, Grammar, Philosophy, and Astronomy was taught.

