First of all you should be positive in your intent. Each and every subject has its own importance. If you are going for bachelor of arts it will be good for you in UPSC preparation but in case if you to face negative result also you may have various career options. You may be the spokesperson of any party ,also you may go for the higher education, you can try for the professor but you must be positive in your intent in order to achieve success. Hope you got the answer