The system of medicine known today variously as ‘international,’ ‘scientific,’ or ‘Western’ entered South Asia as early as the seventeenth century. For two centuries this system, known in India as allopathic medicine, coexisted with the medical traditions indigenous to South Asia. In 1835 the period of coexistence ended and the adherents of the allopathic tradition began to press claims that they, and only they, should be allowed to direct and staff the medical and health programs of the East India Company and, after 1858, the various Governments of South Asia. Allopathic medical men wished to decide the goal or goals of governmental medical efforts, who was to be allowed to participate in those efforts, and who was to be served by those programs. In short, allopathic medical men wanted control of the development of all facets of health policy in South Asia.