133. The distinction between the first test on the one hand with the second and third tests on the other lies in the fact that the first is grounded in an irreconcilable conflict between the provisions of the two statutes each of which operates in the Concurrent List. The conflict between the two statutes gives rise to a repugnancy, the consequence of which is that the State legislation will be void to the extent of the repugnancy. The expression 'to the extent of the repugnancy' postulates that those elements or portions of the state law which run into conflict with the central legislation shall be excised on the ground that they are void. The second and third tests, on the other hand, are not grounded in a conflict borne out of a comparative evaluation of the text of the two provisions. Where a law enacted by Parliament is an exhaustive Code, the second test may come into being. The intent of Parliament in enacting an exhaustive Code on a subject in the Concurrent List may well be to promote uniformity and standardization of its legislative scheme as a matter of public interest. Parliament in a given case may intend to secure the protection of vital interests which require a uniformity of law and a consistency of its application all over the country. A uniform national legislation is considered necessary by Parliament in many cases to prevent vulnerabilities of a segment of society being exploited by an asymmetry of information and unequal power in a societal context. The exhaustive nature of the Parliamentary code is then an indicator of the exercise of the State's power to legislate being repugnant on the same subject. The third test of repugnancy may arise where both the Parliament and the State legislation cover the same subject matter. Allowing the exercise of power over the same subject matter would trigger the application of the concept of repugnancy. This may implicate the doctrine of implied repeal in that the State legislation cannot co-exist with a legislation enacted by Parliament. But even here if the legislation by the State covers distinct subject matters, no repugnancy would exist. In deciding whether a case of repugnancy arises on the application of the second and third tests, both the text and the context of the Parliamentary legislation have to be borne in mind. The nature of the subject matter which is legislated upon, the purpose of the legislation, the rights which are sought to be protected, the legislative history and the nature and ambit of the statutory provisions are among the factors that provide guidance in the exercise of judicial review.
