Which book for ca final

hello  every one

this is wrt to reference book for ca final .

I want to knw how shud i study cost and mafa papers as in past 3 terms im getting 31 to 35 marks in both the papers and so still giving final exams. I took tutions from Sanjay saraf sir and sanjay agarwal sir

1) pls tell me which is good self study ref. book for both subj. ?

2) Padhuka Cost vs icai p. manual which one to follow as many of my friends said that padhuka consist of icai's past papers and current practise manual . so is it so ?

Thanks in adv.