The correct option is Jawaharlal Nehru.
Explanation
The adoption of the National Flag was a significant event in the Constituent Assembly of India, taking place shortly before the transfer of power. The process involved an Ad-hoc Committee for design selection and a formal resolution for adoption by the Assembly.Detailed Analysis
- Jawaharlal Nehru (Correct): On July 22, 1947, Pandit Jawaharlal Nehru moved the resolution in the Constituent Assembly. The resolution proposed that the National Flag of India be a "horizontal tricolour of deep saffron (Kesari), white and dark green in equal proportion." He further specified that the wheel in the centre of the white band would be the wheel of the Law of Dharma (Ashoka Chakra) in navy blue.
- Rajendra Prasad: He was the President of the Constituent Assembly and the Chairman of the Ad-hoc Committee on the National Flag (constituted on June 23, 1947). While his committee finalized the design, the motion for its adoption in the Assembly was introduced by Nehru.
- J.B. Kripalani: He was the President of the Indian National Congress during the time of independence (1947) but was not the mover of the flag resolution in the Constituent Assembly.
- B.R. Ambedkar: As the Chairman of the Drafting Committee, his primary role was the drafting of the Constitution. He did not move the resolution regarding the National Flag.
Key Takeaway
The resolution adopting the National Flag of India was moved by Jawaharlal Nehru on July 22, 1947, in the Constituent Assembly.