(b) Tarikh-i-Hind was written by Alberuni Inshai- Mahru was written by Ainul Mulk Multani. Khazinat-ul-Futuh was written by Amir Khusrav. Tarikh-i-Fakhurddin Mubarakshahi was written by Fakhre Mudabbir. Al-Biruni wrote an encyclopedic work on India called “Tarikh Al-Hind” (History of India) in which he explored nearly every aspect of Indian life, including religion, history, geography, geology, science, and mathematics. Amir Khusro wrote a short auto-biographical Masnavi called “Shah Name mun” of Alauddin’s life. Khusro in his book “Khazinat-ul-Futuh” (the treasures of victory) recorded Alauddin’s construction works, wars, peace and security, administrative services.