Federalism constitutes a complex governmental mechanism for governance of a country. It has been evolved to bind into one political union several autonomous, distinct, separate and disparate political entities or administrative units. It seeks to draw a balance between the forces working in the favour of concentration of power in the centre and those urging a dispersal of it in a number of units.it thus seek to reconcile unity with multiplicity, centralization with decentralization and nationalism with localism. By this paper. I have enquire the true nature of Indian constitution and relevancy of federalism in Indian.