Amir Khusrau was a prominent literary figure of the Delhi Sultanate period, known for his versatile contributions in poetry and prose. He enjoyed the patronage of several rulers, including Jalaluddin Khalji, Alauddin Khalji and Ghiyasuddin Tughlaq. His works, such as Tughlaqnama and Miftah-ul-Futuh, documented military campaigns, while Nuh Sipihr is considered a vital source for understanding medieval India. His writings reflected a blend of Persian language and Indian culture.
Based on the case study answer the following questions:
a. Name two rulers who patronised Amir Khusrau.
b. Which of Amir Khusrau's prose works describes the military expeditions of Alauddin Khalji?
c. What is considered Amir Khusrau's most remarkable work, important for understanding medieval India?