Hello student. Both of these are completely different. CA is charted accountant and cs is computer science.  It totally depends on your interest

But, if spoken about scope in the future and opportunities

Indeed both has equal and plenty opportunities.

Charted accountant is comparitively a tougher course which need to be pursued with a bit higher concentration. But once if you clear the course, then golden future is ahead of you're

Where are computer science is a course which is comparitively easier and choosen by a couple many. Because it has wide ni,ber of options to go for

So I would suggest you to look out for interest