Md. Shaheduzzaman had remarked him as one of the best political writers in South-East Asia.
He was president of the Jatiya Press Club and the Dhaka Club.
Enayetullah Khan was born in Mymensingh, Bengal Presidency on 25 May 1939, the third son of the late Justice Abdul Jabbar Khan, a former speaker of the Pakistan National Assembly. Enayetullah Khan was nicknamed as Mintu.
His siblings include journalist and columnist Sadek Khan, poet Abu Zafar Obaidullah, former minister Selima Rahman, political leader Rashed Khan Menon MP, Architect Sultan M. Khan, Alan Khan, a photographer in Sydney, and the publisher of New Age, Shahidullah Khan Badal.
Enayetullah Khan was a student of Anand Mohan College. He served as the General Secretary of Student's Union of his college. Then he got admitted in University of Dhaka, completed his graduation and attained master's degree in philosophy. While studying in University of Dhaka, he was involved in student politics on behalf of Student's Union and served as the Vice-President of Shahidullah Hall section.
He actively participated in the Bengali Language Movement in 1952. Later on he worked in favour of Bangladesh Liberation War. He joined Farakka Long March Committee with Abdul Hamid Khan Bhashani.
Enayetullah Khan started his journalism career in 1959 as a cub reporter with the then Pakistan Observer. Later, he founded the Weekly Holiday in August 1965 and took over as its editor in 1966. Weekly Holiday was critical to the Ayub Khan regime in Pakistan and supported the Mass Upsurge in 1969.
Later, after liberation war he was nominated as a member of the search committee to find out the information regarding the deceased intellectuals during Bangladesh Liberation War.
He was the owner editor of Weekly Holiday, the magazine that played a strong role against the anarchy of Bangabandhu Sheikh Mujibur Rahman and published many reports that included full description of atrocities done by the Jatiyo Rakkhi Bahini from 1972 to 1975. He was later detained and Weekly Holiday was banned by Bangabandhu Sheikh Mujibur Rahman.
He also served as the coordinator of Committee for Civil Liberties and Legal Aid, the organisation that helped the victims of Jatiyo Rakkhi Bahini. When the famine of 1974 started in Bangladesh he formed Famine Resistance Committee and helped the hungry and destitute.
He served as the editor of the Bangladesh Times from 1975 to 1977.
Later, he served as a Minister of Bangladesh. Then he was commissioned as the ambassador of Bangladesh in Myanmar, China, Cambodia. He also worked as the President of National Press Club and Dhaka Club.
He was in the 1976 Farakka March Committee led by Moulana Bhasani and the Committee Against Communalism in 1981.
In 2003, he started the publication of the daily newspaper New Age.
Enayetullah Khan died in Toronto, Canada on 10 November 2005 at the age of 66. He had been suffering from cancer of the pancreas.