For today's intricate and contemporary financial sector, mutual funds are sound investment instruments. In India, there has been growing importance of mutual funds, when compared with other financial instruments. Mutual funds aggregate money from a variety of investors and invest it in a variety of assets such as stocks, bonds and other securities. These are managed by a professional fund manager and dividends are paid out. Some programs provide risk-free fixed returns, while others pay dividends mainly dependent on market changes and prices. The mutual funds give access to professionally managed portfolios to small and individual investors. The main objective of this study was to know the investment patterns and customers’ perceptions regarding mutual funds in Delhi. The study sample size was 60. A systematic questionnaire with multiple-choice questions was used to collect data. Under the study, simple statistical tools were used such as percentage analysis, mean, standard deviation and ranking to analyze the data. This research focused on customers’ perceptions of mutual funds, such as the schemes they prefer, the plans they choose, and the reasons for their decisions. It also focuses on the investment pattern such as longevity of the investment, different mutual funds, preferences in investment, factors that influenced them and other parameters. The study revealed that customers’ most important factors were parameters considered while investing which was high return followed by liquidity. The least important factors were the type of scheme that was open-ended and close-ended. The study concluded that investors invest in mutual funds due to high return, SIP, liquidity, various options available and different funds in which investors can invest.