The President's Rule provides for the central government to take direct control of the state machinery as per the constitution.
The machinery of government means the interconnected structures and processes of government, such as the functions and accountability of departments in the executive branch of government. The term is used particularly in the context of changes to established systems of public administration where different elements of machinery are created.
Source: https://en.wikipedia.org/wiki/Machinery_of_government
Source: https://en.wikipedia.org/wiki/Machinery_of_government