In A.K. Kraipak v. Union of India AIR 1970 SC 150 the Supreme Court recognised the evolving nature of…

Natural justice is limited to formal quasi-judicial functions where a statute expressly mandates its application, excluding purely administrative decisions.

The procedural requirements of natural justice are irrelevant to administrative functions unless personal rights are specifically affected by a statute.

The distinction between administrative and quasi-judicial powers is no longer determinative, and natural justice principles must be applied whenever individual rights or interests are at stake, regardless of the classification of the power.

Natural justice principles apply to all quasi-judicial decisions, but administrative decisions are exempt unless there is a statutory provision requiring it.