But contended the respondents, a contrary trend was noticeable in some of the subsequent decisions of this Court and the respondents relied principally on the decision in B. Banerjee vs Anita Pan(3) where Krishna Iyer, J. speaking on behalf of himself and Beg, J. as he then was, _________________________ (1) ; (2) ; (3) ; 291 recalled the following statement of the law from the Judgment of this Court in Ram Krishna Dalmia vs S.R. Tendolkar & others: (1) "there is always a presu mption in favour of the constitutionality of an enactment and the burden is upon him who attacks it to show that there has been a clear transgression of the constitutional principles." and "that it must be presumed that the legislature understands and correctly appreciates the need of its own people, that its laws are directed to problems made manifest by experience and that its discriminations are based on adequate grounds." and added that "if nothing is placed on record by the challengers, the verdict ordinarily goes against them.