Nawab Mohsin-ul-Mulk was born on 9th December 1837 in the town of Etawah, a part of United Provinces. He was the son of Syed Mir Zaamin Ali. He got his early education in and around Etawah. He was given the education of Persian and Arabic. He participated in Aligarh and he was also included in those people who were founder of All India Muslim League. In 1867, he topped in the Provincial Civil Service examination. He was elected for Deputy Collector in U.P. He proceeded to Hyderabad into the service of the Nizam in 1874. Due to his twenty years service he got titles of Munir Nawaz Jang and Nawab Mohsin-ul-Daula by the Nizam of Hyderabad.
Mohsin-ul-Mulk met Sir Syed Ahmad Khan when he was posted as Tahsildar in Etawah. He became a strong supporter of Sir Syed Ahmad Khan’s vision and the Aligarh Movement. In 1864 he became member of the Scientific Society. In order to support Sir Syed vision and Aligarh Movement he started writing articles in Tahzeebul Akhlaq. His collection of published articles in Tahzeebul Akhlaq was Taqleed-e-Amal, Kitabul Muhabbat-o-Shauq Makaateeb, and Aayat-o-Bayyant. On formation of The Committee of the Supporter of the Advancement, Nawab Mohsin-ul-Mulk became companion and started collecting donation for the newly formed committee. He got retirement in 1893 from the State of Hyderabad and served in Aligarh for propagating the massage of the Aligarh Movement. In 1894, the 9th session of Muslim Educational Conference was held at Aligarh, and he proposed a resolution for the support of Nadwat-ul-Ulama which was newly formed in Lucknow. On the death of Sir Syed, in 1899 he was appointed as the Secretary of the Muslim Educational Conference.
After Syed Mahmud, Nawab Mohsin-ul-Mulk became the Secretary of the College Trust. In his days the college was passing through the most critical period of administrative instability. Mohsin-ul-Mulk was a highly capable man. He, like Sir Syed, worked day and night to put the college on stable footing. He was able to collect the amount of 6 lac rupees to fulfill the condition imposed by the Government. He tried his best to restore the image of the college which had been badly tarnished during Syed Mahmud’s time as the Secretary. Mohsin-ul-Mulk also endeavored sincerely for the promotion of Urdu literature. During his time the student were divided into two groups. Nawab Mohsin-ul-Mulk, with his wisdom and administrative qualities successfully handle the situation and amicably settled the issue between the two groups.
Nawab Mohsin-ul-Mulk became Secretary of All India Muslim League in 1906. He and his brother Viqar-ul-Mulk were asked to draft the constitution for the Muslim League.Mohsin-ul-Mulk rose his pen in defense Urdu in collaboration with Urdu Defense Association during Hindi-Urdu which was arose in United Provinces. He died in Simla on 16th October 1907.