Data Ganj Bakhsh Aur Un Ka Ahad is an Urdu research-oriented work by Khalid Mahmood examining the life and legacy of Hazrat Ali ibn Usman al-Hujwiri, known as Data Ganj Bakhsh. In addition to presenting his biography and spiritual contribution, the book studies the wider historical, cultural and religious environment in which he lived. It is a suitable companion volume for readers who want contextual knowledge beyond Kashf al-Mahjub.