In Part-IV, relating to Directive Principles of State Policy, which of the following Articles was not added by the Forty-second Constitution Amendment Act?

Which of the following was not added to the Directive Principles by the 42nd Amendment of the Constitution?

Which of the following Directive Principles of State Policy was added to the Constitution at a later date?

Which one of the following Directive Principles was inserted by the Constitution (42nd Amendment) Act, 1976?

Which of the following is not included in the Directive Principles of State Policy?

Who among the following described the Directive Principles of State Policy as the novel feature of the Constitution of India?