difference between CA final audit old and new syllabus

hi ,
can please guide me what is the difference between ca final auditing , law old and new syllabus..
I have registered for old syllabus but for the first time I am going to prepare for final 1st group and by seeing old and new syllabus institute material auditing and law books.. new syllabus is looking good for studying

can please guide me difference between old and new syllabus it could be useful for me to prepare for old syllabus