Hi Nagendra,
Harvard does not look at the board from which you have passed. What it looks at the Prescribed exam scores, your English proficiency test score, your job experience, you CGPA, interest in the course you want to pursue and a host of other factors.
What level and course are you aspiring to pursue at Harvard?
Do revert with details.
Best wishes,
Yes it is possible. The top universities look for something innovative or unique that you have and others don't. So, the uniqueness can be in any thing Extra-curricular activities, good scenario based answering of questions etc.
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