I m in deep trouble pls dnt ignore it

Frnds. . I have a prblm regarding IT, audit. Nd Sm. . . Prblm is that. . I have vry easy lang books for all the three subjects. . Bt muje ye samj ne ara what to learn or not. . Actually scanner khol k dkho to pura chap me se kuch na kuch har bar aya hua h exam me, , agr chap pado to samaj me sb ara h par sb imp lagra h, bt sb kuch to yad kiya ne ja skta as thr is alot of theory if we total al t three subjects. ...agr kewal padke likhke aya to kacha paka likh k aunga aur marks b kam e aenge. . Now pls tel me wht is the best way to deal with theory subjects, specially Sm , It Nd audit.