Commerce

You can go for CS directly into executive(inter) level
CS is difficult but if you pass there is a lucrative career ahead of you
Best would be CS since passing of companies act 2013 there is lot of demand for CS
You could also get job experience and go for CFP if you like finance
or CCRA if you like credit rating

ACCA is the foreign equivalent of CA and is accepted worldwide and in few companies in india

You should go for full time mba
Most of the b schools require entrance exam
So appear for exams like CAT , CMAT or various others so start preparing from now onwards
Check out which college you want and appear for that exam
For eg IIM accepts CAT and CAT is accepted nationwide in most colleges
XLRI accepts XAT
so find out mba colleges mba specialisatins fees locations and then decide

1. Remain in the chosen stream and choose a higher education
2. Appear in an Entrance exam
3. Change the stream and choose a higher education
4. Choose a professional course
5. Choose a vocational course
6. Plan .in case you do not get the course/ college of your choice

Any teaching course starts with b.ed

I agree with Avinash's views,however if u do not have aptitude n marks in PCM,go via BBA route. undertake an apti test n then decide.if u need help for this u can contact me

It does not matter from where you do +2 for CA and CS. You can chose any school where quality of education is best near to your place of residence.