Should mutual fund portfolio returns be compared with Fixed Deposits? One of the biggest mistakes many investors end up making is comparing mutual fund returns with FDs for a period of less than 5 years.Data like the Nifty50 Index generated a 15% CAGR in the last 10 years seems quite appealing to many people. However, this data hides an important fact that Nifty50 did not generate 15% returns every year. There have been years when…