" Can it be said that this and other passages in this judgment show that according to the majority the law made by the State Legislature by virtue of entry 1 1 of List II would be bad only if it makes it impossible or difficult for Parliament to exercise its legislative power under entry 66 of List I? Does the judgment mean that it has to be ascertained in each case whether the impact of the State law providing for such standards is so great on entry 66 of List I as to abridge appreciably the central field or, does it not follow from the judgment that if a State Legislature has made a law prescribing a different, even higher, percentage of marks or prescribing marks for extra curricular activities, it would be directly encroaching on the field covered by entry 66 of List I ? The majority judgment after saying what has been quoted above proceeds thus: "Though the powers of the Union and the State are in the exclusive lists, a degree of overlapping is inevitable.