Regarding the Directive Principles of State Policy, which one of the following statements is not correct?

Which one of the following is not a Directive Principle of State Policy?

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

Which of the following Provision is a part of both Directive Principles of State Policy and Fundamental Duties?

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

The Directive principles of State Policy may be classified in to which of the following parts for the sake of convenient study?