I know most of the career options for me and still I am unable to determine which one I am interested in, and what if I like something else.

I am 12th pass with 93% marks from cbse board in commerce stream, physical education-5th subject.I am currently preparing for CA foundation level exam and feel that I won't be able to clear , not because I can't do it but because 1. Joined the course very late 2. Online education,lack of confidence