In the contemporary history of India, a new chapter has been written through the Indo-US nuclear deal, which has culminated after traversing a long diplomatic journey. Not only India's isolation in the nuclear world has ended, the deal has heralded a new era of a resurgent India, which will become a major player in international affairs. The deal thus represents the maturation of India's diplomacy. The present book makes an interesting analysis of the ecological factors--internal as well as external--that gave a fillip to the whole movement of designing a nuclear mature India. Right from the inception of the idea to its fructification, the book narrates on a large canvas chronicles of major events that cumulatively led to this significant bilateral agreement having multidimensional and multilateral implications. Undoubtedly, this agreement has made India a sovereign influential actor in international affairs. The book also annexes texts of a few important documents, such as 123 agreement, Hyde act, and IAEA safeguard agreement, for reference purposes. Besides policy makers and diplomats, the book will interest students and teachers of political science, international relations and domestic sources of foreign policy.