Like you have mentioned you must be wanting to do both that is the reason you are taking both the classes. If you do not want to skip one of them it's time to evaluate yourself and your capabilities.
If you are stronger in B.com course curriculum you can skip that or you can skip your CA class if you have your strengths in it.
Decide wisely for yourself and if it's not manageable you can choose to drop one. Just a bit more extra efforts and get through your way.
Thank you
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