Which of the following is categorized as a Directive Principle of State Policy under Part IV of the Indian Constitution rather than a Fundamental Duty under Part IVA?

Explanation

Under the Indian Constitution, promoting international peace and security is a Directive Principle of State Policy enshrined in Article 51 (Part IV). On the other hand, safeguarding public property, preserving the rich heritage of our composite culture, and protecting the natural environment are Fundamental Duties incorporated in Article 51A (Part IVA) via the 42nd Amendment Act of 1976.