I don't think there will be great prob if you haven't studied CS in +2. You can take the subject and you can study. As you are interested in the subject matter then you will not get bored with the subject and as a result if a problem arises you will stay focused and will think to solve it. So there will no problem with CS if you haven't read it before.

Having a knowledge in CS will definitely help you in interdisciplinary fields. So yeah , It will be a very fruitful choice for your future endeavors!

I hope my answer helps you. Good Night!