To answer 2 Dogs' point, we have two ways of getting into radar in Dubai. One are the local ab initio guys who, having gained experience in the tower for a number of years go on a rating course at the local Aviation College, after which they do an extended 'induction course'.
The second are the experienced expat controllers already rated and experienced (at least in most cases, but I won't go there). They arrive and do the 'induction course' for them to familiarize themselves of the Dubai environment.
Hope that helps to clarify it for you. No 'paid' courses either way.
RD