Does crash course really help in improving CET score???and where would i find a quality crash course in pune?

i hav ped my 12th last year(2007-08).i took admission in eng. coll but i left in midway and decided to take a gap since d collg was not gr8.so at this point of time i wont get admission to any cles so i hv decided to do selfstudy and then enroll for a crash course.plz enlighten me on this subject.......