BCA

If you are asking in terms for class 12th then IP and CS are same. These two subjects are really helpful if you have interest in doing BCA. If you haven't studied these subjects then don't worry you'll still be able to get admission into BCA colleges without any problem. But if you have a chance to study these 2 subjects then you definitely should go for these subjects as it'll be much more easier for you to score good marks in your BCA course. For doing BCA just make sure that you score atleast 45% in your +2 then you can get admission into BCA. If you want to learn programming languages which you will be studying in your BCA course then you can check out this app which is specially designed and developed for BCA students. It has programs and assignments of languages like C, C+ and Java with their outputs. You'll be studying these languages in your 3 years of BCA:
https://play.google.com/store/apps/details?id=technark.bca_courprogramming.

The eligibility criteria is different for every college and university. So, you might need to check the website of the college from which you want to pursue your BCA. The general eligibility criteria for BCA is that a candidate must have scored atleast 45% in their +2. Candidates can be from any stream. Note this is general criteria and is different for some universities but same for most of the universities. The fee differs from college to college and the time when you have taken admission. If you want to learn programming languages which you will be studying in your BCA course then you can check out this app which is specially designed and developed for BCA students. It has programs and assignments of languages like C, C+ and Java with their outputs. You'll be studying these languages in your 3 years of BCA. https://play.google.com/store/apps/details?id=technark.bca_courprogramming.