Hi Aspirant,

The following ways will be helpful to you-

1)apply for residency in US , one needs to take the licensing exam ,the USMLE .

The USMLE is a three-step examination for medical licensure in the United States. The USMLE provides a common system to evaluate applicants for medical licensure.

2)And as far as Harvard is concerned, you need to have exceptionally high scores in all the three steps ,

3)some valuable and substantial research experience

4)And letters of recommendations .

5)Scoring high in your undergraduate exams.

Hope this helps.