Hello student these subjects are enough to pass class 12 in commerce stream you need not to add more subjects in it just prepare enough so that you can get passed and hold class 12 certificate. After class 12 if you want to be graduate from IGNOU it's good as you'll be eligible after class 12 but you need to work hard to get a job as these days getting a job is not just on the basis of degree its more on the experience skills and academic qualifications.

Feel free to comment if you have any doubt

Good luck