Detailed Solution:
The correct answer is “1 and 4”.
The answer is (4) 1 and 4.
The Indian National Army (INA) is credited to have been the brainchild of two individuals:
Giani Pritam Singh: An Indian civilian who played a key role in motivating and organizing Indian soldiers captured by the Japanese during World War II.
Major Iwaichi Fujiwara: A Japanese officer who saw the potential of forming an Indian army to fight against the British Raj.