It will be better to pursue a single side with whole of your attention. Three attempts of ccs are precious as if taken half heartedly will leave you with repentance. As you have said that you are better prepared with two of your subjects left unprepared then it is more suitable to take css in a more keen and befitting manner.at this stage such a level of preparation, when exam is 6month away, is satisfactory and enough to assume that you will pass exam in flying colors. Other alluring and cherishing strings you can take as your hobby and after exams you will have plenty of time to go with these. Be focused.

__________________
ALI DA Malang