Hey!

In order to do post graduation in MBBS Aiims,candidates must clear the eligibility criteria which is:

• He or she must hold a valid mbbs undergraduate degree from a MCI recognized college with at least 50-55% in UG.
• Also, cadidates must have completed 12 months of mandatory rotating Internship .

And as per teh details mentioned by you, you have failed in UG program, so you are not eligible for PG in AIIMS. To know more, visit here:

https://medicine.careers360.com/articles/aiims-pg-eligibility-criteria

thankyou