Hello,

Eligibility for UPSC is passed graduation in any discipline from a recognized university, you can apply even in the final year, there's no minimum aggregate required for this, UPSC is more humanities oriented if you have inclination towards arts stream then you can choose subjects like political science,public administration, geography, history etc to name a few, it entirely depends on your interest in which field you want to apply,having any of this subject will also have an added advantage when it comes to choosing optional in the exam, you can also consider going through the entire list of optional subjects to choose your subject.

Eventually, it doesn't matter which stream you're from,the reason being UPSC allows people from diverse backgrounds to appear for this exam and even those selected candidates belong to varied streams like arts,science, engineering, medical etc what matters is your strategy and planning.