I want to crack scra 2011 exam how to do it?

hi friends i am 12th pass out student i am pass my class 12th with 58.8 percent with pcm and i want to crack to SCRA 2011 i want to ask how to crack it and what is the chance for success in this exam what is the good book for use and how to study for this exam plz frds suggest me i should prepair for this exam or not plzzzz