I don't want to do BBA after graduation as I'm a B.Com computers student, what else should I prefer to have a better life and higher salary?

I would recommend you not to go for a BBA degree after B.Com. It doesn't seem to make a good point to do a double graduation. I would suggest you to rather go for a M.Com as it will get you a PG degree as well as good payscale. Click below https://www.shiksha.com/accounting-commerce/colleges/m-com-