The correct answer is (c) Article 14.
Article 14 of the Constitution of India guarantees equality before the law to all persons within the territory of India. It prohibits discrimination on the grounds of religion, race, caste, sex, place of birth or any of them.
Article 16 of the Constitution of India guarantees equality of opportunity in matters of public employment. It prohibits discrimination on the grounds of religion, race, caste, sex, descent, place of birth, residence or any of them.
Article 15 of the Constitution of India prohibits discrimination on the grounds of religion, race, caste, sex, place of birth or any of them. It also prohibits discrimination on the grounds of disability.
Article 13 of the Constitution of India prohibits the State from making any law which takes away or abridges the fundamental rights guaranteed by Part III of the Constitution.
Article 14 is the most important of the fundamental rights guaranteed by the Constitution of India. It is the foundation of all other fundamental rights. It is the basic principle of equality which is the foundation of a just and fair society.