मध्यकालीन भारत में सुहरावर्दी सूफी संतों को चिश्ती संतों से कौन-सी विशिष्ट विशेषता अलग करती थी?

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?

The Mamluk (Slave) Dynasty ruled from Delhi during which of the following periods?