Moreover, your investment money will continue to grow. When you withdraw after many years, you will have accumulated more than you initially invested. For this, you have to invest Rs 15,000 every month. Let's see how to do this. You need to invest Rs 15,000 every month in a Mutual Fund that can give a 15% annual return. If the fund you choose is good then achieving your goal in the long run will not be difficult. After investing for 16 years, your total investment will be Rs 28,80,000. Through this you will also get an income of around Rs 80 lakhs.