On which of the following dates, Constituent Assembly of India adopted the National Flag?

1. A

   22 January, 1950

   22 January 1950 is not the Flag-adoption date; the Constitution was already adopted on 26 November 1949.

2. B

   24 January, 1950

   24 January 1950 is when the Constituent Assembly last met and elected Dr Rajendra Prasad as President; it is not the Flag day.

3. C

   22 July, 1947

   The Constituent Assembly adopted the National Flag on 22 July 1947 (the saffron-white-green tricolour with the Ashoka Chakra). That is the official key.

4. D

   22 July, 1948

   22 July 1948 is a year late; the Flag resolution belongs to 1947, before Independence Day.

Summary. Official key is (c) 22 July 1947. Pingali Venkayya’s tricolour with the Dharma Chakra was adopted weeks before 15 August 1947. Honour the stored letter (c).