As per the case facts, these appeals challenged the constitutional validity of specific amendments made to Kerala's motor vehicle taxation and welfare fund acts. The core contention was that these ... state amendments unlawfully linked contributions to a workers' welfare fund with motor vehicle tax payments, which the appellants argued conflicted with the central Motor Vehicles Act, 1988, or exceeded the state's legislative powers. The appeal to the Supreme Court aimed to resolve whether these state provisions were constitutionally permissible given the alleged repugnancy with central legislation or the lack of state competence. The question arose whether the challenged sections of the Kerala Motor Vehicles Taxation Act, 1976, and the Kerala Motor Transport Workers' Welfare Fund Act, 1985, are constitutionally valid, particularly concerning their compatibility with the Motor Vehicles Act, 1988. Finally, the Supreme Court dismissed the appeals. The Court concluded that the state legislative provisions were constitutionally valid. It reasoned that these provisions merely ensure timely collection of existing welfare fund contributions and vehicle taxes and do not create new liabilities or conflict with the central Motor Vehicles Act, 1988. The Court found no repugnancy or legislative incompetence, as the state acts aimed to regulate and ensure compliance with obligations already present, thereby upholding the impugned amendments.