How to make $3000 grow, which method should I use?

ok, I’m 18 and I have saved $ 3 500 from work. Plus I have about $ 300 in an account with a card that I actually use. I don’t need the $ 3000 now and probably won’t for like 4 or 5 years. So, what is the best option to do with that money rather than leave it in my account?

bond?
trust fund?
any other ideas??? please, it will help if you elaborate too, thanks

How do i make money my money grow?

I has saved to an amt more than 50000 rs in my account . I would not need them for next 2 1/2 months. Is there any way i can earn a handsome returns on it for 60 days
or
Are ethere any Mutual fund products which offers flexibility to roll your more for amt 60 to 90 days at attractive returns