The Full Form of NZM is‍ Nizamuddin.

Muhammad Nizamuddin Auliya, also known as Hazrat Nizamuddin, and Mahbub-e-Ilahi was a Sunni Muslim scholar, Sufi saint of the Chishti Order, and is one of the most famous Sufis from the Indian Subcontinent.

Muhammad Nizamuddin Auliya (Urdu: سید محمد نظام الدین اولیاء‎‎; sometimes spelled Awliya; 1238 – 3 April 1325), also known as Hazrat Nizamuddin, and Mahbub-e-Ilahi (Urdu: محبوب الٰہی‎ lit. “Beloved of God”) was a Sunni Muslim scholar, Sufi saint of the Chishti Order, and is one of the most famous Sufis from the Indian Subcontinent.^[1] His predecessors were Fariduddin Ganjshakar, Qutbuddin Bakhtiyar Kaki, and Moinuddin Chishti, who were the masters of the Chishti spiritual chain or silsila in the Indian subcontinent.