First, change yor attitude. This is not a college, and no one's gonna "come to rescue" except yourself. I may sound harsh, but GMAT is a tough challenge, and it's entirely up to you to drive yourself to victory. With that "help me boys" approach, you're going nowhere. (and no, you don't *give* the GMAT. You *take* the GMAT. Feel the difference?

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Now, to some more practical stuff. Buy Official Guide. Study the math & verbal concepts given there, as well as different problem types at GMAT. Then take a mock test. Analyze your performance and identify what types of questions give you most pain. Then you can proceed to hardcore study.
Be sure to mind your timing. During mock test, try to note down the time every question takes, as well as overall timing scheme. See if you lag behind and have to run through last questions. See if you agonize too much with some question type, and force yourself to do an educated quess when time is up.
...and read the forums. Read, read, read. Search. Answer problems. Participate.