<P> On October 7 , President Mirza declared martial law in Pakistan . He abrogated the constitution of 1956 , describing it as `` unworkable '' and full of `` dangerous compromises . '' He dismissed the government of Sir Feroz Khan Noon , dissolved the National Assembly of Pakistan and the provincial legislatures . Mirza also proceeded to outlaw all political parties . He appointed General Ayub Khan , the Commander - in - Chief of the Pakistani army as the Chief Martial Law Administrator and nominated him to become the new Prime Minister of Pakistan , charged with administering the country . </P>
who was the prime minister of pakistan when martial law was imposed in 1958
General Ayub Khan