Validation is the process of surity that you have objective evidence that are needed by the user and the use of-course. Verification is typically making sure that you are having objective evidence that matches mentioned requirements are meet. This both are done by testing, inspecting and analysing as well. Companies want effective, relevant and well-documented things for V&V and should match medical regulations as well. V&V procedures are more standardized than the past.

My question is that : After all his development what are the risks and default in V&V process?