The correct option is option 1, which is Abul Fazl. "Ain-i-Akbari" is a significant historical work that was written by Abul Fazl. He was a courtier and close advisor to the Mughal emperor Akbar. The book is a detailed account of the administration, culture, and society of the Mughal Empire during Akbar`s reign. It provides valuable insights into the political and social structure, revenue system, royal court, and religious policies of the time. Abul Fazl`s work is considered one of the most important sources for understanding the Mughal Empire and its impact on Indian history. It is a comprehensive and well-documented record that has played a crucial role in shaping our knowledge of that period.