Where can I find free-solved assignments for IGNOU?

You can simply Google "free solved assignments" to find them. However, there is a catch. If you are enrolled in the January session, you may be able to find most assignments for free online. The assignments for the July session and the January session of the following year are the same at IGNOU. So your chances of finding them for free are good. However, if you are enrolled in the July session, you may not be able to find solved assignments online/offline for free.

However, you will find 99% of the assignment solutions in your IGNOU study material and exactly how you should do it. It will give you a good understanding of the subject. Ignore questions from previous years' papers and current assignments in TEE. You should complete your assignments on your own because it will undoubtedly help you in your TEE.