Who was the Prime Minister of Pakistan at the formation of One Unit?

Who was the Prime Minister of Pakistan at the formation of One Unit?

ون یونٹ کے قیام کے وقت پاکستان کا وزیراعظم کون تھا؟
Explanation

The One Unit Scheme was the reorganization of the provinces of Pakistan by the central Pakistani government .

It was led by Prime Minister Muhammad Ali Bogra on 22 November 1954 and passed on 30 September 1955 .

The One Unit program remained in effect until 1970 .

Finally, President General Yahya Khan imposed the Legal Framework Order to abolish it.