Pls help me regarding audit

Frnds recently i purchased kamal Gargs audit buk. . After seing tht m vry confused. . Thr r alot f new things in tht buk. . Wana knw wht is Schedule vi. . How t ques wil b asked? Another thing is tht thr r alot of Sa. . Old b h aur old shyad revised hogae h new name se wef 1.4.10 , wana knw kya old nd new dono krne h . .bcz both r givin. . Nd guidlines b h. . .dnt knw wht to do wht not. . . Pls help me. .