https://www.aiimsexams.org/ is the official website. Only those who have ranks within 4 times the no of seats are published as of now. 

But for individual marks and rank wait for a few days. A link will be opened where you can login and get the rank card. 

You can go the website of AIIMS (www.aiimsexams.org), then click on the results tab. Here's a link to the list of candidates eligible for 1st round of counselling:

Https://drive.google.com/file/d/1bP-WwbSKWFhov_tb-p-SOOmiTy6pGDEA/view

Good luck!