|Born||1316 AH (1898 CE), UP, India|
|Death||1406 AH (1986 CE) Karachi, Pakistan|
|Genealogical Linage||1st Caliphate Abu Bakr Siddique|
|Disciple of||Ashraf Ali Thanwi|
|His Khalifa (s)||Mufti Rafi Usmani, Pakistan|
|Notable Work||Uswa e Rasool e Akram SAS|
|No. of Books||1000 +|
Born in a conservative middle-class family of Indian province Utter Pradesh, India, genealogical relationship with the first Muslim Khalifa of Muhamad, Syedna Abu Bakr, Acquired preliminary education at home and completed books on Hadith (Traditions & Practices of Muhammad), Fiqh (the Islamic Jurisprudence) and other religious books during his English medium schooling under the mentorship of his grandfather, Moulvi Kazim Hussain.
Molana Dr. Muhammad Abudul Hai graduated from MAO College, AligarhUniversity in 1923. In the same year he got inspired from the teaching of Molana Ashraf Ali Thanwi and started correspondence to acquire solutions of his day to day problems. Later, he qualified for LLB degree from Luckhnow University in 1926. He adopted law profession and started practice from Illahabad High Court. Later on respecting the wish of his mentor and spiritual counselor (Hakim-ul-Ummat and Mujaddid-ul-Millat Molana Ashraf Ali Thanwi), he left the legal profession and started Homephatic medical practice which lasted till his death in 1986, at Karachi.
The first formal acquaintance with Hakim-ul-Ummat Ashraf Ali Thanwi was made in 1917, then he became a formal disciple in 1927. He became a prominent disciple of Hakim-ul-Ummat who awarded him with Khilafat in 1936.
Molana Dr. Muhammad Abdul Hai remained associated with his mentor till his mentor’s death in 1943. He was very close to his mentor – both in private and public life and therefore, got chance to understand and perceive the values and virtues associated with his mentor’s life-style. Absorbed the mentor’s personality traits in his own and became submissive to be the true follower. Even after the death of the mentor, Molana Dr. Muhammad Abdul Hai kept himself firm to follow the approved path of sulook (spiritual development) in order to promote the way his mentor pleased with himself. He remained a true personality reflector of his mentor Hakim-ul-Ummat and Mujaddid-ul-Millat Molana Ashraf Ali Thanwi.
On 27 March 1986, he died after a short ailment and was buried in the graveyard of Dar-ul-Uloom Karachi beside the grave of his friend and companion Mufti Muhammad Shafi Usmani.