Hello Ishika Chaudhary

congrats for a great rank in neet as well as in Aiims according to me all are top government medical colleges you can prefer any one

but according to india today

Aiims delhi on first and lady hardinge on fifth position. 

you can see all rank through this link

link - https://www.indiatoday.in/magazine/cover-story/story/20060605-top-10-medical-colleges-in-india-aiims-retains-top-position-783009-2006-06-05.

Thank you