Khwaja Nizam-ud-Din Ahmad Bakshi was a Muslim historian of late medieval India. He was the son of Muhammad Muqim-i-Harawi. Nizamuddin Ahmad wrote the book Tabaqat-i-Akbari which is a general history of the Muslim rule in India coming down to the year of its composition.
Shaikh Hasan was another prominent Sufi saint of the Suhrawardi order, who lived during the 16th and 17th centuries in Lahore in present-day Pakistan. Before joining the Suhrawardi order he lived in the ‘company of yogi Gorakhnath.
The Tabaqat-i-Nasiri which was compiled in 1260 CE by the author Minhaj-i-Siraj and it gives a complete account of Muhammad of Ghur’s conquest of India and the history of the Delhi Sultanate up to 1260 CE.