In which year One Unit was created ?

A. 1953
B. 1954
C. 1955
D. 1956

The One Unit policy was announced by Prime Minister Muhammad Ali Bogra on 22 November 1954. On 5 October 1955 Iskander Mirza (Acting Governor General of Pakistan) passed an order unifying all of West Pakistan in what became known as the ‘One Unit Scheme’.
Who abolished One Unit?
President General Yahya Khan imposed Legal Framework Order No. 1970 to end the One Unit program and reinstate the provisional status of the Four Provinces as of August 1947.