Correct option is A
Article 51 of the Indian Constitution lays down Directive Principles of State Policy on Promotion of International Peace and Security.
· Article 15 in Constitution of India: Prohibition of discrimination on grounds of religion, race, caste, sex or place of birth
· Article 14 of the Constitution of India reads as under: “The State shall not deny to any person equality before the law or the equal protection of the laws within the territory of India.”