The correct answer is (c) 24.
Article 24 of the Constitution of India prohibits the employment of children below the age of 14 in any factory, mine or other hazardous employment. It also prohibits the employment of children in any other employment that is likely to be harmful to their health or morals.
Article 17 prohibits untouchability and prohibits discrimination on the grounds of religion, race, caste, sex, place of birth or any of them.
Article 19 guarantees certain fundamental rights, including the right to freedom of speech and expression, the right to assemble peaceably and without arms, the right to form associations or unions, the right to move freely throughout the territory of India, the right to reside and settle in any part of the territory of India, and the right to practice any profession, or to carry on any occupation, trade or business.
Article 25 guarantees the right to freedom of religion. It states that subject to public order, morality and health, every person has the right to freedom of conscience and the right freely to profess, practice and propagate religion.
The other options are not directly related to the exploitation of children.