Hybrid fund is a scheme of mutual fund that invests money in shares and debt. Aggressive funds are a sub-category of hybrid funds. Aggressive funds invest 65 to 80 percent of their money in stocks. It invests the remaining amount in debt instruments. An aggressive hybrid fund invests most of its money in equities, from where it benefits from market rallies. When the market goes down, debt investments don’t let their returns drop much. We are telling you about some aggressive funds, which have tripled the amount invested by SIP in 15 years.