I want to get a good job with high income if I had taken commerce ip in 11th what is the best course for me after 12th class in computer lin

I suggest BCA. Bachelor of Computer Applications. Commerce students can study BCA. And also it gives a high income if you have skills like analytical skills, quick learning and able to work as a team.

If you're after money, best is to go for business. If you're creative, you can always consider going for Design and Animation. A good mentor and wise selection of courses with a good school, followed by diligent learning, would get you a head start in your career. However, you must check your suitab