Hello,

Coming from science background BA Economics Hons will be comparatively easier for you if you like maths, also if you aim to appear for Indian Economics Service Exam for which you need to further pursue your post-graduation degree in the same field, there are various options in the field of banking/insurance as well for specialist posts coming from economics background,

On the other hand BA Hons is political science is highly suited for UPSC, as there is considerable overlap with gs and optional which also happens in case of economics also but there is no such specific exam designed like IES, however there are other options of research, teaching, and based on the eligibility criteria of graduation you will be eligible for state PSCs, Railways, SSC, CDS, Banking, Insurance etc, with economics hons there is opportunity for specialist posts in banking sector as well, so you have to weigh your inclination, you can do one thing, go through 11th standard books of NCERT that's easily available in web version or app, and read the books of the concerned subject, and see which subject you enjoy the most, anyway if you're appearing for UPSC class 11th and 12th NCERT books are read, so go through it now, and gauge your preference for the same.