Answer:
In my opinion, the balance between the two authorities will be the best alternative for a nation. The reason can be understood by linking it the with the ground reality. Whether it is a state government or a federal government, it is run by a bunch of individuals when it comes to decision making. Thus, The representatives of government are of limited number
Therefore, there is a high chance that the federal government will not understand the core problems of some of the states. Hence, an authority is needed to closely understand the different problems that different states face and to solve those issues the distribution of power to them is also needed. Also, there could be chance that the Federal government will favor one state over the other.
Thus, for balanced growth of an economy. The balance of power and responsibilities between the state and federal government is necessary.