sentences:  He was educated at Darul Ulum Deoband, where he became a disciple of Mahmud ul Hasan, and graduated in 1908.After his graduation, he was appointed as a teacher at Darul Uloom Deoband.In 1915, when Mahmud ul Hasan went into self-exile in Hijaz, Saudi Arabia, Usmani filled his position as the teacher of "Sahih Muslim", a book of teachings of prophet Muhammad.