Dear Aspirant,
It is not easy to predict the exact cutoff and admission situation as it depends on a lot of unpredictable factors like the number of students attempting the exam, the preferences of the students and the seat matrix of the college.
There are about 1700 seats in IISERs and about 1300 are reserved for IAT Candidates and in this about 130 seats are reserved for EWS candidates.
Looking at this we can say that you have a good chance of getting into IISER Tirupati and Berhampur and a small chance of getting into IISER Mohali or Thiruvananthapuram.
Please check the link below for more details on the cutoffs.
Hope this helps.
IISER cut-off
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