Principles of natural justice are soul of an administration of justice and need to be adhered to in order to make the order as a just and fair order.The concept of speaking order is the essential part of the principles of natural justice. The principles of natural justice have come to be known as being part of the guarantee contained in Article 14 of our Constitution i.e. "The concept of equality". Violation of a rule of natural justice results in arbitrariness and hence is equivalent to that of discrimination. Therefore, violation of principle of natural justice by a State results into violation of Article 14.
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