HII

 Mahantesh

Yes ofcourse Business acoounting as well as taxation both are useful for chartered accountants. Both Business accounting and taxation are one of the main components one has to study to become a Chartered Accountant. They are easy till the math part prevails. You just need a bit of logic and memorizing the tools and key points used in them for a better understanding as well as to become a good Chartered Accountant.

For more information about how to become a CA and what are the main subjects you can visit  - https://www.careers360.com/articles/4162-Chartered-Accountancy-CA

hope it helps

thanks!!