Hi, Aryan. Thank you for your query with Careers360.My answer is based on the information derived from the official IISER website.

There are 3 channels for admissions into the IISER institutions, namely through KVPY Channel, JEE Advanced Channel and the SCB channel.

I suppose your question is directed toward the SCB i.e State and Central Boards Channel, that is basically appearing for an IISER aptitude test after your 12th Board Exams. But the eligibility criterion clearly states that you should have cleared your board exams in the years 2018 or 2019 (not 2017 as in your case) to appear for the aptitude test. So, I fear that is not a possibility for you.

However, you can still try through the JEE Advanced channel by getting a rank under 10,000 in the Common Merit List, in JEE 2019. (As even KVPY 2018 is already over in November.

Hope My answer has solved your query.

All the Best

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