I studied for 4 months, 4-5 solid hours per day, a lot more last few weeks before the exam. My advise would be to leave at least 2-3 last weeks for questions (i used Shroff`s question book). You will not encounter these questions again, but at least they will make sort of "order" in your head (too much information). I agree with other people that you need to use 1-2 sources of information, no more. I would advise to sleep before the exam. I coudn`t sleep the night before the exam (so was my friend), but sleeping the night before helped (my score was 113). Meditate, if you get tired or nervous. I would also recommend to study your material at least twice, as new information gets in the older one is easy to loose! I made short notes for every chapter in my notebook.Try to be optimistic, good luck!