You will have to study -

Physics
Chemistry
Mathematics
A language (if the candidate has taken more than one language, then the language with the higher marks will be considered)
Any subject other than the above four (the subject with the highest marks will be considered)
All applicants must take JEE Advanced 2017 for IIST B.Tech Admission 2017.
For taking JEE Advanced 2017, the candidates are also required to take JEE Main 2017, without which the candidates can not take the second level exam  JEE Advanced 2017.

To know about its eligibility criteria and admission process, you can go through the below links -

IIST B.Tech Admission 2017

IIST B.Tech Eligibility Criteria 2017

Hope this helps!!!

IIST Thiruvananthapuram

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