How to make perfect shrdule

Hi, elders I am doing ca and still i have to go through PCC Exam in May2014. i already 3 subject except law in ist group and 2nd group rest. my all subject classes will end before one month of exam. i have 4 m for revision for 3 suject but for law and 2nd group i will only 1m that will april. now i am confused how will i do both grp revison in 1 m of april and how to memoried starting 3 sub also. plz fix it i need good advice?