Article 51 of the Indian Constitution is about ______.

promotion of international peace and security

The correct answer is Option 3 - promotion of international peace and security

Article 51 of the Indian Constitution is about: Promotion of international peace and security
Article 51 of the Indian Constitution emphasizes the promotion of international peace and security as one of the Directive Principles of State Policy (DPSP)
Article 51 underscores the duty of the State to promote international peace and security. It highlights the importance of maintaining just and honorable relations between nations, fostering respect for international law and treaty obligations, and encouraging the peaceful settlement of international disputes through arbitration.