CAAR,2014

Company Audit and Auditor Rules to be read with Section 139 to Section 147 will be applicable in the New syllabus only at Intermediate level, Thus rest assurred it will be applicable from May 2018 and only if you opt the new course.

Secondly it's weightage is never defined, even when it was in Finals it could come for 6-8 marks without guaranteeing that it will come in the first place and it could also go higher to 8 marks also,

So you might get the answer to your question now.