Consider the following Directive Principles:
1. To secure the participation of workers in the management of industries
2. To protect and improve the environment
3. To provide free legal aid to poor
4. To secure opportunities for healthy development of children
Which of the above were added via 42nd Amendment Act of 1976?

Answer: [D] 1, 2, 3 & 4

All of the above were added via 42nd amendment act.

This question is a part of GKToday's Integrated IAS General Studies Module