Given below are the different stages in the development of the legal aid movement in India. Arrange them chronologically.
1. Article 39A was inserted by the 42nd Amendment Act of the Indian Constitution.
2. The Committee on National Implementation of Legal Aid was constituted with Justice Bhagwati as its head.
3. The Union Government initiated the national legal aid scheme which faced financial shortages and died a natural death.
4. The Union Government constituted a committee under the chairmanship of Justice Krishna Iyer to develop a legal aid scheme for states.
a. 1, 2, 3, 4
b. 1, 3, 2, 4
c. 3, 4, 1, 2
d. 4, 3, 2, 1