The correct answer is 24.

• Article 24 prohibits child labour.
  • It mandates that No child below the age of 14 years shall be employed to work in any factory or mine or engaged in any other hazardous employment.

• Article 31 states that no person shall be deprived of his/her property, except by authority of law.
  • It is also mentioned that compensation would be paid to a person whose property has been taken for public purposes.
  • Article 31 with the subheading “Right to Property” has been omitted by the Constitution Forty-Fourth Amendment Act 1978.
  • Article 31(1) has been shifted to article 300A as a new insertion in Chapter IV in part XII of the constitution.
• Article 17 of the Indian Constitution abolishes the practice of untouchability in any form.
  • According to the provision of Article 17, “enforcement of any disability arising out of untouchability” is a punishable offence in accordance with the law.
• Article 21 guarantees the protection of life and personal liberty to every individual.
  • It states that "No person shall be deprived of his life and personal liberty except according to the procedure established by law.