Cover Full Syllabus. Present ur answer properly. Give reference of provisions & conclude in ur language. For IT/SM ,watch Swapnil Patni's lecture on youtube.
Study the complete study material for Law, Auditing and ITSM to get good marks in the exams. For ITSM, try to do SM complete as it is easy and then do half of syllabus of IT so that you can easily clear the exam. For Auditing try to read all the chapters at least once and try to study completely the main chapters having the most marks like the company audit 1 and 2., Vouching, Verification. For Law, only read the Ethics and Communication module as it is easy and can be easily written in the exam. The rest of the syllabus should be thoroughly studied as it is difficult but is necessary to help you get good marks. Try to study by a schedule and you will be able to complete the syllabus of all the subjects.