Consider the following provisions in Directive Principles of State Policy:
1. To secure opportunities for the healthy development of children.
2. To promote equal justice and provide free legal aid to the poor.
3. To minimize inequalities in income, status, facilities, and opportunities.
4. To protect and improve the environment and to safeguard forests and wildlife.
Which of the above-given provisions were added by the 42nd Constitutional Amendment Act, 1976?
1
2, 3 and 4 only
2
1, 2 and 4 only
3
1, 2, 3 and 4
4
1 and 3 only