Which of the following directs the State to provide ‘Equal justice and free legal aid’?

Part IV of the Indian Constitution

The correct answer is Option 4 - Part IV of the Indian Constitution

The document that directs the State to provide "Equal justice and free legal aid" in India is Article 39A of the Indian Constitution.
It is a directive principle mentioned in Part IV of the constitution.

This article, added during the 42nd Amendment, emphasizes the importance of ensuring access to justice for all citizens. It places an obligation on the state to provide free legal aid to those who cannot afford it.