Who was the author of the book Kitab-i-Yamini?

The correct answer is A. Abul Fazl.

Abu’l Fazl ibn Mubarak (1551–1602), also known as Abul Fazl Allami, was a Persian-speaking historian, scholar, and vizier to the Mughal emperor Akbar. He is best known for his book Akbarnama, a chronicle of Akbar’s reign. He also wrote the Ain-i-Akbari, a treatise on Akbar’s administration, and the Kitab-i-Yamini, a history of the Timurid dynasty.

Abu Nasr Utbi (940–1012) was a Persian historian and writer. He is best known for his book Tarikh-i-Yamini, a history of the Ghaznavid dynasty.

Amir Khusro (1253–1325) was a Persian-speaking poet, musician, and scholar. He is considered one of the greatest poets in the Persian language. He wrote a number of books, including the Khazain al-Futuh, a history of the Delhi Sultanate.

Firdausi (940–1020) was a Persian poet. He is best known for his epic poem Shahnameh, which tells the story of the kings of Persia.