The Indo-US relations traversed an unprecedented upward trajectory from, the last year of the Clinton presidency. The transformation was hastened by the succeeding Bush administrations belief in the attitude of Indian leaders that the two nations are naturally alliances and their frosty relations of Cold War eras should not impede their strengthening of Indo-US relations. In this book I have attempt to understand the above said consequences and the transition in Indo-US relations under the current democratic President Barack Obama.