Foreign investment is a vital engine for global economic growth. It includes Foreign Institutional Investors (FII), Foreign Direct Investment (FDI), and Foreign Portfolio Investment (FPI). These international capital flows complement Domestic Institutional Investors (DII). Thus, creating a dynamic financial ecosystem where cross-border investments drives overall market expansion. Now, what exatcly is the difference between FII and DII. FII, or Foreign Institutional Investors, are the sophisticated players at the investment table. These are large financial institutions like pension funds, insurance companies, and mutual funds from abroad. They focus their investments primarily on the Indian stock market. In contrast, DII full form is Domestic Institutional Investors, include Indian financial institutions such as mutual funds, insurance companies, and banks. DIIs play a pivotal role in the domestic financial market by investing in various asset classes within India.