Hi,

It depends on which board you belong to, as you have not mentioned, so I will provide with board-wise previous years' cut-off list for IISER for OBC-NCL category candidate -

Central Board Of Sec. Edu. (CBSE), New Delhi - 420

Board Of Intermediate Education (Andhra Pradesh) - 465

Assam Higher Secondary Education Council - 364

Bihar School Examination Board, Patna - 305

Council For The Indian School Certificate Examinations, Delhi - 424

These figures might increase or decrease little. Therefore, visit the official website.

For more information please visit -

https://cache.careers360.mobi/media/uploads/froala_editor/files/iiser-2019-cutoff_ImEqiwz.pdf

https://engineering.careers360.com/articles/iiser-merit-list-and-cutoff