What are Index Funds? An index fund is a form of a mutual fund or exchange-traded fund (ETF) that invests in the components of a financial market index, such as the Nifty 50 or the Sensex 30 Index. A mutual fund that invests in indexes is considered to offer broad market exposure, low operational costs, … Continue reading How to Invest in Index Funds? Top Index Funds, Benefits and risk-return explained: