Hello Parikshit,
You can go through the link below to check the result of first Round of Counselling for M.Sc Courses for AIIMS New Delhi to have an idea about the marks required-

https://www.aiimsexams.org/pdf/MSc%20Course-2018-1st%20Counselling-Rank-Wise.pdf

Hope this helps.
Good Luck!

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