CA

Accounts, economics and maths are required for CA 1st level exam,. Now the syllabus might change in next 6 months and Business and English might be added and the pattern of exam is going to be change in practical paper format. For more information you may search CAs official website WWE.ICAI.ORG. IN

You can purchase S.Chand publication books for CPT.

You can join reputed institute for preparation of IPCC. Like, EtenCA

After complete your 12th class, you can directly enter in CA course by passing CPT(Common Proficiency Test) organized by CA institute in the month of June and December.

First of all, tell me one thing, is there guarantee that you again will not think that you will not be able to complete other course.So, please don't quit your CA course. It is one of the best course having maximum opportunities. Give your few year to this course sincerely.

CA SHIKSHA - It provides free lectures on CPT , Ipcc and CA final.CA SHIKSHA is ICAI sponsored platform in enduring and enriching students.

Apart from CA and ICWAI, you can opt for post graduation course like M.com , MA(in any stream), CS(Company secretary), certification course in stocks,finance, IT, Retail banking etc,
MBA, LLB etc
This will suffice.
Good wishes.

well .! according to me you should go with CPT first then IPCC.
all the best.