to two constructions, one of which would make it valid and the other invalid, the courts must adopt that construction which makes it valid and the legislation can also be read down to avoid its being declared ultra vires.” (Emphasis supplied) 26. Francis Bennion in his treatise on Statutory Interpretation (Fifth Edition, page 262, Section 69) has written: 17 (2003) 3 SCC 321 Civil Appeal @ SLP (C) No.4106/2021 Page 28 of 38“There are various types of delegated legislation, but all are subject to certain fundamental factors. Underlying the concept of delegated legislation is the basic principle that the legislature delegates because it cannot directly exert its will in every detail. All it can in practice do is lay down the outline. This means that the intention of the legislature, as indicated in the outline (that is the enabling Act), must be the prime guide to the meaning of delegated legislation and the extent of the power to make it.” 27. As discussed above, since the rule-making