A. August 11, 1947
B. August 14, 1947
C. August 14, 1954
D. March 23, 1956
Explanation:
The national flag of Pakistan (Urdu: پاکستان کا قومی پرچم) was adopted in its present form during a meeting of the Constituent Assembly on August 11, 1947, just three days before the country’s independence, when it became the official flag of the Dominion of Pakistan.