Foreign direct investment (FDI) involves investment from another country into a business operating in a different country. There are two main types of FDI: greenfield investment which establishes new operations, and acquisitions or mergers with existing foreign firms. Major sources of FDI historically include the US, UK, Netherlands, France and Germany. FDI provides benefits like job creation, technology transfer, and improved balance of payments, but can also threaten small local industries and increase competition. India saw a large rise in FDI after economic liberalization in 1991, with FDI now generating over 1 crore jobs and India becoming a top destination for global investment. Major sectors receiving FDI in India include infrastructure like railways, automotive,