Hello student onwards this year admission in AIIMS for MBBS course is on the basis of marks/rank obtained in NEET entrance examination. You need to clear the eligibility criteria of Neet only otherwise there's no weightage of class 12 percentage.

Cut off vary every year on various factors like the level of question in the entrance examination and total number of applicants in that examination. With 550 marks in NEET its difficult to get admission in AIIMS as AIIMS Delhi is every aspirant first choice so as per experts its expected that the cut off for AIIMS DELHI will be around 690.

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Feel free to comment if you have any doubt

Good luck