Indian Polity · Polity

With reference to the expressions 'Procedure Established by Law' and 'Due Process of Law' in the Indian constitutional context, consider the following statements: I. The Constitution of India expressly incorporates both expressions in Article 21. II. 'Procedure Established by Law' limits judicial scrutiny to the existence of a validly enacted law, whereas 'Due Process of Law' permits examination of the substantive fairness of such law. III. The Indian Supreme Court, through judicial interpretation, has expanded Article 21 to incorporate elements of substantive due process. Which of the statements given above are correct?