Are you asking for IISER SCB Entrance test? As per the eligibility you should have passed 10+2 level with science stream. You will be considered for the admissions to the degree programmes only if you obtain the cut-off marks specified for your board.

You can check the complete information with the given below link.

https://engineering.careers360.com/articles/iiser-eligibility-criteria

In case you have any other query then let me know.

Good Luck!