Your grades are only part of the story for a US application. For admission with financial aid to these top ranked universities you will also need solid projects (in engineering I presume), ECAs and standardized test scores (e.g. ACT, SAT, SAT2). And depending on your board/curriculum you also may want to consider taking APs, especially for these universities.
On top of these academic and personal data points you will need to prepare a top-notch, polished application with strong essays and a coherent story. Also your school will need to support you in providing transcripts, a school profile and recommendation letters. There is a LOT of work involved in this process and if you're already in 12th you may not have time to plan an execute. It is by no means easier than giving JEE.
Drexel is very generous with aid so you should consider it as an option, but even that is no guarantee without a strong application. Others to consider are NYU-AD, Vanderbilt, Univ of Rochester, Tulane and depending on your major liberal arts colleges that have a history of giving aid, such as Wooster, Richmond, Lafayette.
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