What is the best way to handle clients who lie about work done or mistakes made in their home?

[Btaliat]

Have you been in a situation where your clients will lie that the work you did for him is not what they wanted after you must have done with the tasks? Most of the times, these clients did this to avoid payment. How do you always handle such a client? A freelancer needs to learn a lot on how to handle the different clients that they are likely to meet as freelancers if they want to be there for long.