Cs executive dec 14 papers & preparation for june 15 exam

I am going to give my ca ipcc exam in may 2015 & cs executive exam in june 2015 so wanted to know whether 1)Only scanner or 2)Sangeet kedia book + scanner is sufficient for theory subjectsfor cs exe june exam or I should refer module also? Can any one provide me the link or website from where I can get cs executive december 2014 attempt papers of all subject & all sets (for mcq subjects)?