..The choice of a final year project depends on many factors
You should select a project which is best suited to your interest, experience and knowledge in that area
Choose a work of study that you would enjoy doing and not just for the sake of a degree
Start experimenting how it could be connected to the real world scenarios
I believe that the best ideas for a project can be found by exploring your surroundings. Once you have acquired the necessary technical know how, look around you for problems that need a solution