Every mutual fund has its own list of fees and charges that the investor would have to pay before he enters or exits from a fund. These are quite high compared to similar charges made to an investor when he purchases or sells equities directly.
There is no guarantee of returns from mutual funds and the risks are similar to that in the equity market. So if you are looking for a minimum return the better route would be to invest in bank deposits.
As the portfolio in a mutual fund is diversified it cannot get the advantage of any dramatic rise in any particular equity, except to the extent that it has invested in it. Any overall decline in the market is just as likely to affect the value of your mutual fund investment as it would your equities.
It is always necessary to see the net returns that you get from any mutual fund investment, as each fund has its own requirement as far as costs are concerned for the management of the fund. They are also liable to tax and this would necessarily have to come from your investment.
Returns on mutual funds are never as high as those that you can get from investing in equities. So if you feel that the returns you are getting are not adequate, you may withdraw your funds form that particular mutual fund and try your hand at investing directly in equities.