The famous book of Fiqh, "Kitab-ul-Kharaj," was written by:
Q1. The famous book of Fiqh, "Kitab-ul-Kharaj," was written by:
Answer: Imam Abu Yusuf
Explanation: "Kitab al-Kharaj" was the pioneering treatise on public finance and taxation in Islamic law written by Imam Abu Yusuf (d. 798 CE), the chief qadi of Caliph Harun al-Rashid and leading student of Imam Abu Hanifa.