Where can I find a Law tutor for my A-Level in Bangladesh?

Hi, my name is Asif. I am a student. I am looking forward to take the subject Law in my A-Level exam (as I am willing to be a Barrister). I have completed my O-Level exam giving the following subjects: English, Bangla, Accounting, Math-B, and Pure Math. I am expecting to get grade A in all of the subjects. I am willing to know whether I will be able to take the subject Law and complete it within May 2008. I would also like to know if I have to take anymore subjects to achieve success in my career of becoming Barrister.