“Have the first appellate court and the High Court acted in accordance with law in ignoring this subsequent event of vital importance ? The first appellate court, as pointed out earlier, proceeded to examine the contention on merits and rejected it on the ground that this being an event subsequent to the passing of the decree by the trial court, no notice could be taken of it, a view contrary to the law laid down by this Court. Same is true of the High Court when it said that even if the landlord who commenced action lost all interest in the property subsequent to the passing of the decree, the decree does not become a nullity and at any rate no note of the subsequent events can be taken in the absence of a proper application under order 41, rule 27, C.P.C. But the next observation of the High Court that where the plaintiff landlord's interest in the property is extinguished subsequent to the decree by the trial court, he does not lose his right to maintain and continue the action, is opposed to the very scheme of the Rent Act and the provisions contained in ss. 11(1)(c) and 12. Both the courts were, therefore, clearly in error in ignoring this vital piece of evidence which goes to the root of the matter and would surely non-