Greetings Sanjay,
I am providing you the detailed percentages of the boards for IAT 2019 and also for IISER:
1.CBSE:88
2.ISC/ISCE:93.3
3.ANDHRA PRADESH :94.8
4.BIHAR:70
5.KARNATAKA:88
6.HARYANA:85.5
7.GUJRAT:60.2
8.WEST BENGAL:75.9
These are the peecentage required for admission in IISER.
Good Luck!!
Regards Ankit!!
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