He started his political career in 1933 by joining the anti-British
Majlis-e-Ahrar-e-Islam, soon after it was formed by
Syed Ata ullah Shah Bukhari. Nawabzada Nasrullah Khan, coming from a background with ties to the
Indian National Congress and Majlis-e-Ahrar-ul-Islam,
opposed the Muslim League and its demand for the partition of India. He was also a protege of
Syed Ata ullah Shah Bukhari. However, he changed course and joined the
All-India Muslim League in 1947 after the partition of India and the
creation of Pakistan occurred. He won a seat of
Provincial Assembly of Punjab in general elections in 1952 and the
National Assembly of Pakistan seat in the 1962 general elections. In 1964, he supported
Fatima Jinnah in the election against president
Ayub Khan. In 1966, he served as the President of the
Awami League party mostly active in former
East Pakistan. In June 1967, he founded his own political party named as
Pakistan Democratic Party and served its chairman till his death in 2003. Just before his death, he was the Chairman of
Alliance for Restoration of Democracy (ARD) working for the restoration of democracy in
Pakistan against General
Pervez Musharraf. ==Death and legacy==