Historians of economic thought often describe the essay “Of the balance of trade” by the Scottish philosopher David Hume as the first real exposition of an economic model. Hume published his essay in 1758, almost 20 years before his friend Adam Smith published The Wealth of Nations. And the debates over British trade policy in the early nineteenth century did much to convert economics from a discursive, informal field to the model-oriented subject it has been ever since but the study of international economics has never been as important as it is now. International economics deals with the economic interdependence among nations. Capital is more mobile between nations. This paper analyzes the trend of foreign direct investment in India from various other countries. The research methodology is based on secondary data. The paper concludes source of Investment is based on the good atmosphere and better policies of the country.