Federalism asymmetrical occurs where a federal system of government does not accord the same legal powers and areas of jurisdiction to all its constituent states or provinces.
Unlike American federalism, Indian federalism is Federalism asymmetrical. Article 370 makes special provisions for the state of Jammu and Kashmir as per its Instrument of Accession. Article 371 makes special provisions for certain states as per their accession or state-hood deals.
The term 'federalism' could be called also the federal principle or the federal idea. It explains more than just the legalistic and institutional aspects of this political method.
Mogi, the Indian scholar of federalism gives the following interesting definition: The federal idea is the formation of harmony between plurality and unity on the basis of pragmatic utilitarianism on the ethical basis'. Mogi thinks that the federal idea is not confined to the political sphere of the state, but is the general basis of human organization.
Centripetal federalism federal system where there is a strong federal government and weaker provincial governments. Its opposite is centrifugal federalism, where power would be dispersed from the centre to the provincial governments.