Dear Sahu
Yeah Sahu , definitely you will be eligible for writing the AIIMS sicne you have passed the every subject in Class 12th with an aggregate of 50%. Below the link is given through which you can able to check the details of it.
https://medicine.careers360.com/articles/aiims-mbbs-eligibility-criteria/amp#referrer=https%3A%2F%2Fwww.google.com&_tf=From%20%251%24s
All the best
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