As you want to get the details of that will it be possible to do CA along with B.Com so here is the information of the same for you:

Yes it can be done

you can do both Ca and B.Com together If you completed your 12th so,you are eligible for
CA course. Here I tell you details about CA Course.Course consists of Three main levels:

Common Proficiency Test (CPT)
12th pass candidate eligible for CPT. Its duration are 8 month.

CPT Exam Details: CPT is an Objective type test requiring Basic Knowledge of the subjects covered. CPT will be held two times in a year: June and December.

Professional Competence Course (IPCC) and Practical Training
A student who has passed the CPT and 12th standard examination may join the Integrated Professional Competence Course. Its duration are 36 month.

C.A. Final Course
Those candidate qualify in IPCC they are eligible for CA final course.