Along with doing CA the most preferred course is b.com (//b.com) hons. .The reason behind this is that CA being a very difficult course requires a lot of time and attention and you are left with very little time to devote to anything else. In b.com (//b.com) hons.  you have subjects like corporate accountimg , financial accounting , income tax, gst, audit , brm, hrm etc. Most of these subjects you will study while preparing for your CA exam and hence you will be able to manage b.com (//b.com) hons. as well as CA together.