As you want to get info about AIIMS MBBS Admit Card so for it you need to follow this given below process

Go on AIIMS official website

Click on student option which given in the mid side

By click there you will land on new page

On that page you need to click on examination section given in the right hand side

By click there you will land on examination page which look like given below image



On that page you can see admit card option in the right hand side hand side

As on 18.5.2016 following info avail there

Result of PG Professional Exams [MD/MS/MDS/MHA/DM/M.Ch/M.Sc courses] held in May 2016 (Part-I and Part-II), Click Results tab to access.
Admit Card of AIIMS Bachelor of Optometry/ B.Sc.(Hons.) Medical Technology in Radiography/ B.Sc.(Hons.)Nursing/ B.Sc.Nursing (Post Basic)-2016 has been uploaded, Click Academic Courses tab to access.
Marks secured by the candidate of AIIMS-PG (MD/MS/DM(6 yrs)M.Ch [6 yrs]/MDS) July 2016 session, Click Results tab to access.
Important Notice regarding AIIMS BSc/MSc Courses 2016, Click Academic Courses tab to access.
Registration of AIIMS Senior Residents/Senior Demonstrator July-2016 Session has been live now, Click Recruitments tab to access.
Admit Card of AIIMS MBBS-2016 Entrance Examination has been uploaded, Click Academic Courses tab to access.