“ 7. The power is inherent in any administrative authority to correct accidental mistakes committed by it, in ignorance of, or overlooking the facts. Indeed such power should be exercised, where rights of third parties have been affected by the mistaken proceedings, without their knowledge, and without their being heard, resulting in miscarriage of justice. If the power to correct inadvertent mistakes is not recognised and accepted, it may lead to perpetuation of injustice and to undesirable consequences. A person whose rights are so affected by an illegal order passed behind his back need not be compelled to rush to court to get it set aside, on pain of its being held binding otherwise. The authority concerned can itself remedy the mischief, on its being apprised of its mistake and the injustice flowing therefrom. (See in this connection Karunakaran Nambiar v. Director of Public Instruction (1966 KLT 290)). Such an order does not affect any rights of the party benefiting by the mistake, as no rights legally inhered in him by virtue of the mistaken order. Wade in his Administrative Law (Fifth Edition, page 226) points out that even where such powers are not (expressly) conferred, statutory tribunals would have power, to correct accidental mistakes, and to review a decision when facts subsequently discovered have revealed a miscarriage of justice. The same rules must apply to non-statutory action by administrative authorities as well. ”