किस युद्ध में शेरशाह सूरी ने हुमायूँ को निर्णायक रूप से हराया, जिससे उसे भारत से भागने पर मजबूर होना पड़ा?

Which distinguishing feature separated Suhrawardi Sufi saints from Chishti saints in medieval India?

Khizr Khan occupied Delhi and established the Sayyid dynasty after the fall of which dynasty of the Delhi Sultanate?

Which Persian doctor wrote a famous medical text between 1000 and 1050 AD that was studied for centuries?