B.Com

As you have completed your B.Com so now you can do Masters degree ( it include MBA, MCA M.Com etc. ). To get a better job or to increase your knowledge and if you don't want to study further you can go for jobs also, which are accountant, account executive, business executive, financial analyst, CA CS CIA and many more.

Yes, you are almost eligible to become a TGT teacher as you have done B.Com and B.Ed but you also have to clear CTET (central teacher eligibility test ) to become a teacher. After clearing it, you can easily apply in schools for being a teacher.

Yes, you can apply for MCA after your completion of B.Com it doesn't matter that what are your subject in your 12th, it matters upto your graduation, after that your graduation degree matters more. So, yes you can go fir MCA.

A candidate should be passed 10+2 Commerce with 50% marks from any recognized board shall be eligible for the course.Addmission are on the basis of the candidate academic record and there personal ability test,also personal interview evaluate for the candidate to know there communication skills, general awareness and subject knowledge.

Yes, you can exchange your college in london by taking migration from your college to there's college, List of university in which you can take admission are :-
1) university of wales, trinity saint david.
2 ) plymouth marjon university
3) Ravensbourne university london
4)e university of the west of scotland.
5) University of sheffield.

According to the latest information of the official website of Mumbai University, candidate must have passed any Bachelor's degree in any subject. So you are eligible for M.A. Sociology honors programme.

BBC is expensive course in comparison to general B.Com.

You should try MBA programme.

You should try for next year.

Yes, admission forms are available for B.Com in Isabella Thoburn College.