[citation needed] In 1906, he worked briefly in the Education Department in Shillong, Assam.
In 1921, he became superintendent of the newly founded Dhaka Education Board and continued there until his death.
[citation needed] Haq was involved with M. Hedayetullah, Syed Emdad Ali and M. Asad Ali to publish the monthly Nabanur (1903–06) and was president of the publication committee of the Bangiya Mussalman Sahitya Patrika, a Bengali literary quarterly established on 4 September 1911 in Calcutta.
He was also a writer and earned considerable fame for his poems, novels, essays, and children's literature.
[1] Haq was the father of Kazi Anwarul Haque, a bureaucrat, technocrat adviser-minister and writer of Bangladesh.