Which give better returns for long-term (more than 10 years): ULIPs or mutual funds?

The short answer is that a Unit Linked Insurance Plan is not a great option when it comes to building wealth. The main reason is that the charges deducted upfront are significant; so you start with a smaller base and compounding doesn’t grow your money as much as it would in mutual funds.

Read my longer answer here: Ram Medury’s answer to Which is a better investment: ULIP, term plan or mutual funds?