Great start. However, this line breaks its flow :(
. In the midst, an unresolved arguments prevailing among people about migration of people to aboard nations.
abroad nations? .... it should be foreign nations.
You should have said this in a more simple and interesting tone;
However, some people perceive this as an unhealthy trend that rich countries tend to exploit this situation for their benifit. However, others argue that skilled professionals who have made so many sacrifices in earning their credentials, do have a right to get good career breaks outside their country.You can write really well and don't have any worries for this task :)
Only thing, don't forget to give specific examples!
Hope EF has helped you improve and also we wish that you'd continue to visit EF and help others who need your experienced advice :)
Wish you good luck with your exam!