The best fund in any category keeps changing over time. The best performer in any year may not continue to do so the next. In fact research shows that if you only go for the best funds of every previous year, your portfolio may actually end up in the bottom 10%.
Having said that here is a good collection of large cap funds for long term growth.
Ensure you only invest in Direct Plan variants of the Mutual Funds. You then get upto 40% more in long term portfolio size by avoiding commissions and brokers.
If already invested, then switching to direct is really easy. Click here to switch for free your current funds to direct plans.