I was interested in taking up mutual fund for 10 to 15 years time. But when I spoke to my financial planner, he said that if I take a mutual fund for that long, it will bring losses to me and a large cap mutual fund should not be held beyond 2-3 years. He further suggested to take ICICI prudential systematic retirement plan for 25 years. He said that this plan will be more beneficial than SIP in equity MF. Is he correct?