Fonzie -
Thanks for posting your profile on our page. I am sure that I will not surprise you when I say that your biggest hurdle to overcome for your business school applications is your demographic (male, Indian Engineer). The rest of your stats (GMAT, GPA, work experience) are basically average, but they do not really stand out. You need to really "nail" your professional story in your essays in order to fully explain why you wish to move into marketing and how an MBA will help you do this.
Of the schools you mention, Booth, Kellogg, Haas, and Duke are all major reach schools. Ross and Stern may be slightly easier to get into - but not substantially so. If you are 100% sure you want to matriculate into an MBA program next fall, you may want to add a true safety school.
Good luck,
Jennifer

Thanks Jeniffer for the evaluation. I do know of the demographic hurdle but there is nothing much that I can do about it. What safety schools would you recommend for someone like me who is interested in switching to marketing?