Hi chauhan2011,
If you can attain a GMAT score of at least 680, I think you have a legitimate shot at one of those schools. Here are a couple of things you should consider:
* What do you want to do after business school? It's important that you have specific, realistic goals for what you want to do after business school. This will help these schools determine whether or not you are a truly good fit.
* Make sure that you can write in great detail about your extracurricular activities. As you probably know, hundreds and hundreds IT applicants will aim for the top schools, and being able to write about your interests and passions will help you stand out vs. other candidates.
Good luck!
Scott
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Co-Author, Your MBA Game Plan