Explanation:

- Option 1: 39A

- ? Correct Answer

- Article 39A of the Indian Constitution promotes equal justice and provides free legal aid to ensure that opportunities for securing justice are not denied to any citizen by reason of economic or other disabilities.

- It forms part of the Directive Principles of State Policy.

- Option 2: 32A

- Article 32A does not exist. However, Article 32 pertains to the right to constitutional remedies.

- Option 3: 43A

- Article 43A deals with participation of workers in the management of industries.

- Option 4: 48A

- Article 48A focuses on the protection of the environment and safeguarding forests and wildlife.