India's Constitution delineates subjects into Union, State, and Concurrent Lists, yet the Union Government often provides significant financial contributions to subjects primarily under State and Concurrent jurisdiction. This happens through various mechanisms like Centrally Sponsored Schemes, grants-in-aid, and special purpose grants.

Pros:
From a national perspective, this central funding ensures a baseline standard of development and service delivery across states, addressing regional disparities. It allows for the implementation of national priorities in sectors like health (National Health Mission), education (Sarva Shiksha Abhiyan), or rural development (MGNREGA), fostering a sense of national integration. It can also provide a much-needed financial boost to resource-scarce states, enabling them to undertake projects they might not otherwise afford. Such contributions can also facilitate knowledge sharing and best practices across states, leveraging the Union's expertise and resources for wider impact. In essence, it promotes a degree of cooperative federalism by aligning state actions with national goals, especially in areas of shared responsibility.

Cons:
However, this practice carries significant drawbacks for fiscal federalism. It can erode state autonomy, as central funds often come with conditions, dictating how states should spend their money and thereby limiting their flexibility to address local priorities. This leads to what is sometimes called "unfunded mandates" or "tied grants," where states are compelled to allocate resources to central schemes even if their own development agenda might differ. It can also distort state budgetary priorities, as states might prioritize securing central funds over projects more aligned with local needs, leading to a "one-size-fits-all" approach. Furthermore, the administrative overhead and reporting requirements for these schemes can be burdensome for states. Over-reliance on central funds can also disincentivize states from strengthening their own revenue generation capacity, making them perpetually dependent. In the long run, this can lead to an imbalanced federal structure where states become implementers of central directives rather than partners in policy formulation, thus undermining the true spirit of fiscal federalism.