I gave class 12 board exam this year. Can I give iiser aptitude exam next year?
A student can appear twice for the SCB exam, once in the year of completing the 12th grade and second time in year following that.
However there are other ways as well to take admission in IISERs. You can appear for KVPY (if you fulfill the eligibility criteria) and if you are able clear it, you have eligible to apply for IISERs.
Hope this helps you out.
You can go to IISER through three channels.The three channels or modes are
Each channel has different eligibility.For the year 2021 the eligibility notification is not yet announced but it will be same.You can read here the IISER 2020 eligibility details
For KVPY you can read here the eligibility