First, get a really good GMAT prep book, like Princeton Review or Kaplan.

Second, GMAT is all about strategy.

Essays (2 in total), are less about your writing abilities and more about your analytical and reasoning abilities.

Math part is just math, but to ace it, you have to know the test taking techniques. Being good in math is just half the story. Picking answers, especially the wrong answers and eliminating them, is the second and most important skill to build.

Verbal (or English), is again about logic, analytics and being able to 'read between the lines'.

I hope this is a good beginning. With proper preparation, it is not difficult to get 700+. There have been many from Ktm who have done that.

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