The correct option is Abu’l Hasan al Hujwiri.
Explanation
Kashf-ul-Mahjub (The Unveiling of the Veiled) is historically significant as the earliest surviving Persian treatise on Tasawwuf (Sufism). It was written to explain Sufi doctrines, the lives of saints, and the distinction between genuine spirituality and imposture.Detailed Analysis:
- Abu’l Hasan al Hujwiri (Option b): The book was authored by Shaikh Ali bin Uthman al-Hujwiri, popularly known as Data Ganj Bakhsh. He was an 11th-century Sufi scholar who settled in Lahore during the Ghaznavid period. The text was intended to provide a complete system of Sufism in Persian for those who did not know Arabic.
- Amir Khusrau (Option a): A celebrated poet and disciple of Nizamuddin Auliya. While he wrote extensively (e.g., Khazain-ul-Futuh, Tughlaq Nama), he is not the author of this theological treatise.
- Nizamuddin Auliya (Option c): A major saint of the Chishti order. He did not write books himself; his teachings and conversations (malfuzat) were recorded by his disciple Amir Hasan Sijzi in Fawa'id-ul-Fu'ad.
- Shaikh Nasiruddin Chiragh-i Dehli (Option d): The spiritual successor of Nizamuddin Auliya. His conversations were compiled in Khair-ul-Majalis by Hamid Qalandar.
Key Takeaway:
Abu’l Hasan al Hujwiri (Data Ganj Bakhsh) authored Kashf-ul-Mahjub, the first formal treatise on Sufism in the Persian language, written in Lahore.