accounts - do amalgamation , single entry , hire purchase , npo , cash flow, partnership , accounting standars
tax - cram complete service tax and vat salary , clubbing , set off , house property , provisional assessment
law - ethics , gratuity , ppf , epf , negotiable , moa , aoa , meetings , share capital,corporate veil and provisional contracts deeds/notices/
cost fm - material , process , labour , marginal , standard costing , cost book keeping , working capital management , capital budgeting , funds flow , capital structure
if you can do all the listed topics then you can easily score 50 - 60 in each subject rest depends on type of examination paper . but generally these topics cover most of the syllabus. but it is advisable to do complete syllabus and should have good command on the above topics best of luck