Following graduation, Deobandi was appointed as principal at Madrasa Imdadul Uloom, Khanqah-e-Imdadia,
Thana Bhawan, in 1941 AD (1361 AH), where he received guidance from
Ashraf Ali Thanwi in the fields of hadith and
Islamic jurisprudence as well. In 1364 AH (1945 AD), he became principal at Madrasa Ishā'at-ul-Uloom,
Bareilly, and served there for nine years as a professor of hadith and an Islamic jurist. After that, he served as Professor of Hadith and
Sheikh al-Hadith at
Jamia Islamia Talimuddin, Dabhel, between
Rabi' al-Awwal 1373 AH (1953 AD) and
Shawwal 1383 AH (1964 AD) for about ten years and taught Hadith books such as
Jami' al-Tirmidhi Sahih al-Bukhari. In 1383 AH (1963 AD), he was appointed as a teacher at Darul Uloom Deoband and taught Hadith books such as
Sahih Muslim,
Sunan ibn Majah,
Sunan Abu Dawood. In 1972 AD (1392 AD), he succeeded
Syed Fakhruddin Ahmad as Sheikh al-Hadith and taught
Sahih al-Bukhari's volume one until 1977 AD (1397 AH). He wrote a commentary on
Al-Tirmidhi's
Ash-Shama'il al-Muhammadiyya, which has yet to be published. == Death ==