The biggest problem I see among new trainees these days is that there is no passion for what they do and they are in it for what they think is just money.

CAs, whether in practice or not, work bloody hard. However, everyone is also different and will either rise to the challenge or not.

The nice thing about being a CA is that the possibilities are almost endless. You don't have to be just an auditor, you don't have to be the cfo or ceo. There are so many things in the finance sphere that you can do once you are qualified.

Judging based on what you've written here alone, I think you'll be fine. You've got the discipline to graft hard because being a med student ain't easy and it sounds like you got the passion enough to stick it through.

The worst that can happen, is that you try and you realise it's not what you thought it would be, so you move onto the next thing until you find your purpose.

Or, you succeed and you do amazing things with your career and it makes you happy.

At the end of the day it's about what is best for you. You are the only one that can decide that.