Honorary Magistrate Ali Amjad Khan was educated at St. Edmund's College, Shillong, St. Paul's School, Darjeeling and later at Aligarh Muslim University.
Khan was born on 17 November 1870 to an royal Bengali Shi'ite family in the village of Prithimpassa in South Sylhet, Bengal Presidency.
His father, Moulvi Ali Ahmed Khan, was the Nawab of Longla and his mother, Umraonissa Khatun, was a housewife.
Khan married Syeda Fatima Banu, daughter of Syed Aminuddin Hasan of the Narpati Haveli Bari in Chunarughat, Habiganj.
Ali Amjad was also an educationist in his region by founding the Ali Amjad Government Girls' High School, providing scholarships to students in Karimganj, presenting gold medals to outstanding students in Tripura and by being a member of the Aligarh Muslim University.