Bigggggg confusion about maha final old course

Hi friends,

This is about the new announcement issued by ICAI that final old course students have to follow the study materials of final new course. My confusion is : we have to read all topics of  new course SFM or only the topics  applicable for old course b`caz though the topics r same for both but for new course it is very indept h? I hv taken from one of my friend mafa shridhar book for old course for last attempt may 2010 it is ok with it or i hv to buy new eddition of it? pls rpy soon i m so confused.

Thanks in advance