Article 16 pertaining to the reservation and affirmative action is based on Equity Principle which in turn is the mentioned in which Article of the Indian Constitution?

Article 14

Reservation and affirmative action : Article 16 is also based on the equality principle of Article 14. It provides for equality of opportunity in matters of public or State employment and bars any discrimination to any citizen on grounds of religion, race, caste, sex, descent, place of birth, or residence. However, this article allows State to provide reservation or affirmative action programs for government jobs to backward classes like Schedule Castes and Scheduled Tribes.