The Constitution is merely framework of Federalism. It is the political processes that supply the flesh and blood to it. Therefore the changing political processes are the most important factor that influences Indian federalism.
Demand for administrative autonomy:
Many States of India are clamoring for greater autonomy. Often this causes rifts between the Centre and the states. The role of Governors and President’s rule: The role of Governors has caused many rifts between the Centre and the states. Often the Governors have to work as yes-men to the Central Government. Presidential rule in case of Constitutional Emergency is also a matter of conflict.
Demand for New States:
This is another headache for the Federalism. For example, the demand for Telangana State. Inter-State Conflicts: Sometimes these conflicts grow to such levels that federalism itself is threatened