What is the full form of FDI ? The full form of FDI is Foreign Direct Investment. FDI is the investment made by companies of the host countries into the shares of other companies that operate in a foreign country. FDIs are made in those countries that have above-average economic rates, skilled workforce, and potential growth rates. FDI includes acquisitions and mergers, providing facilities, reinvesting profits and intra- company loans. It is simply called direct investment. Learn about foreign direct investment ( FDI ), its impact on India, and its significance. Explore the different types of FDI , with examples, and understand the advantages and disadvantages. FDI full form : Foreign Direct Investment. It can also be defined as an investment made to acquire lasting interest in an enterprise operating in an economy other than that of the investor. FDI full form is Foreign Direct Investment, and it refers to the process or act of purchasing an ownership stake in a foreign organisation. In general, this business term is used to describe the decision of a company to acquire a substantial stake in a business that is located in a foreign region.