In which year PIA(Pakistan International Airline) became the National Airline of Pakistan?
(A) 1948
(B) 1952
(C) 1954
(D) 1955
Correct Answer is: D
In which year PIA(Pakistan International Airline) became the National Airline of Pakistan?
(A) 1948
(B) 1952
(C) 1954
(D) 1955
Correct Answer is: D