In which year did the Constituent Assembly adopt the Indian Tricolour as the national flag?

National Flag Day is observed every year on July 22, as it was on this day in 1947 that the Constituent Assembly adopted the Indian Tricolour as the national flag. The Indian Tricolour is based on the design by Pingali Venkayya, and the rules regarding its use and respect are laid down under the Flag Code of India, 2002, and the Prevention of Insults to National Honour Act, 1971.