guyzzz plzzz help me!!!!

hi guys,i'm a 7th sem student..well to say about my studies,i pretty much wasted all the time for the past 3 years i managed to scrape through 1st year but was not so fortunate in 2nd yr..i flunked in path..i started things more seriously only after that failuire..now i'm in 7th sem n in march,2012 i'll b entering final yr..so i want a rapid action plan to clear all my basics so that i'll b ready for pg preparation by the time i finish final yr..

so how do i make my basics(1st yr n 2nd yr subjects) strong and how do i study for the final yr simultaeneously?

PLZZZZZZZ GIVE SOME IDEAS,PLANS FRENDZZZZZZZZZZZZZZZ

hi satish dont worry and panic...................ppl who hv flunked in university exam also hv got through radiodiagnosis pg..................first tell me are able to read 10-12 hrs a day................do u hv a study group....................................n if not try to join some foundation courses if u r in delhi for 2 yrs