B.Com

Yes, you can apply for this course, and at this score you can easily get admission in this college and this course doesn't matters on what background are you from.

Yes, NPAT is a entrance based exam, so it is compulsory for all courses of NMIMS. Good luck.

Yes, you can apply for MBA in NIT-Rourkela with this MAT score, and you will surely get admission in this college.

No, VIT is just offering the course as B.Com in general. It hasn't tied up with ACCA, either you have to pursue B.Com or you have to opt CA separately.

No, Just B.Com general is available in VIT.

No. Not necessary, it would just be an advantage. You can study any subject before choosing B. Com but mathematics is a compulsory subject necessary.

Be proper with the question what you asked. As the information you provided above is not clear enough to answer.

Study accounts thoroughly. You might have done in the rest of the business part in intermediate. Therefore, it would just need a revision.

PG Diploma in international business operations is a hot cake in professional field now a days. After B.Com, if you have the opportunity to do so, it will definitely raise your career on a high. All the best.

There are some exams like:
1. IELTS
2. TOEFL
and lots more.
Not much knowledge about commerce, still you can give these exams to qualify to go and study abroad. Some countries need their own language test.