2. Which of the following events had taken place before the enforcement of the Constitution?
1.Enactment of the Preamble to the Constitution.
2.Adoption of the national flag.
3.Election of Dr. Rajendra Prasad as the first President of India.
4.Ratification of India’s membership of the Commonwealth.
5.Adoption of the national anthem.
Select the correct answer using the code given below: