WHICH IS A BETTER , SAFE OPTION OF INVESTING FOR MY CHILD’S FUTURE? LIC OR ONE TIME INVESTMENTS IN MUTUAL FUN?

i would like to invest to go for KOMAL Jeevan policy for my 2yr old baby..But the money gets doubled only by 15yrs..I feel its a very less growth..I wish to have an one time investment in mutual fund..Iam 30 yrs old..But afraid to take the risk also..Iam a beginner..I already have SIP.I need ur suggestion in this regard..Also suggest me which compnies do well for one time MF investment..thanks in advance!!