B.Com

B.Com (Hons.) is better option than B.Com, because it gives you deeply knowledge about it and you have more chances of placements. So, firstly go for the B.Com (Hons.)

Yes, its good that you choose CA, but one thing you should remember that this line is full of theory paper, if you are prompt in theory part means your remember capacity, then do it. If you want to know CA processing then go to www.icai.nic.in.

Go forth your betterment exams. Since, your percentage is very low you will not getting much preference for government and private jobs.

B.Com program could act like a basic foundation, on which you may build your career. For example, after B.Com. you may go for number of other programs like- MBA, MCA,Civil Services, Central Government jobs, Law, Chartered Accountancy, Company Secretaryship, etc.

Both are different fields. LLB is for LAW studies whereas MBA is for study of management of business. Both have good scope and opportunities.All depends upon your field of interest. So, choose wisely your subjects.
All the best.

B.Com is a traditional course which improves your basics in accounts and finance and BBA is vocational course, which is kind of flexible course. In comparison to B.Com, BBA has business studies related subject which gives you a better platform for doing MBA in future. So, it depends upon you, if you want to go for quality education, then pursue B.Com from good college, and if your ultimate goal is doing job or MBA after graduation, then B.Com is better, as BBAs are also hired in media industry and other fields too.
All the best.

There are only few difference available:
1. B.Tech degree is a professional course. This course gives you weightage, when you sit in an MBA Campus Placement, as some company, like BENZ, Infosys, Reliance and prefer to hire people from engineering Background.
2. BBA degree focuses mainly on general economic condition. It is basically useful before MBA.

No, it is not required.