Hi Deepak,
Yes, you can still get admission to IISER.
Eligibility criteria do not have any restrictions on class 10th examination marks or percentage.
IISER Admission criteria depend on the Class 12th board examination marks, which is declared every year for all the boards separately, but it does not depend upon Class 10th marks.
To know more about the eligibility criteria of IISER Admission, visit this link - https://engineering.careers360.com/articles/iiser-admission
All the best.
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