The answer depends on your ability and willingness to take risk (get a free profile at https://jama.co.in/r). Second is the time horizon of investment.
Assuming you are risk taking person with a long time horizon of ten plus years, go for wealth building equity funds. Pick from the category that suits you on any good online portal (e.g.: Equity Fund Categories)
When you invest, do so only in direct plans on a platform that has a clear fee. Do not fall for the free trap which means you pay as either hidden commissions or other costs.
Read more: Since you asked here is a list of HDFC Funds
