“Aine-e-Owaisi” is a comprehensive and deeply researched historical and biographical work authored by Muhammad Mutee-ur-Rahman. The book details the religious and scholarly history of the Muslims of Islamabad (Chittagong), exploring the historical background of Chittagong, Bangladesh, and the Bengali companions and mujahideen of Hazrat Syed Ahmad Shaheed. It provides an extensive account of the lives, achievements, and spiritual contributions of prominent figures such as Hassan Ajam, Dawood Naghm, Qutub-e-Irshad Hazrat Sufi Syed Fateh Ali Sahib Owaisi Chittagong (then Murshidabadi), along with his father, mentor, caliphs, and associates. Furthermore, it covers the Sufi shaykhs of the Syed Ahmad Shaheed order and their affiliates—including Mawlana Karamat Ali Jaunpuri, Titu Mir, the Mashaykh of Furfura Sharif, and others—while featuring a detailed critical review of poetry, Naat writing, and the passionate devotion to the Prophet ($\text{صلى الله عليه وسلم}$) exhibited by Hazrat Owaisi