hello vinumohan,

yes, you need to clear/get qualified through jee advance to earn admission in IIST.before jee advanced,you need to get qualify through jee mains also.

to know more,

https://engineering.careers360.com/articles/iist-btech-admission

all the best!

I Hope this information will be useful to you.

if you need additional information,let us know to help you.

Thank you!!!:)

Hello

Yes, you will have to qualify the JEE Advanced exam.
For admission to B.Tech programme in IIST, you will have to qualify the JEE Main entrance exam and appear for JEE Advanced and secure the minimum prescribed category-wise marks in JEE (Advanced).

Go through the link below to check the detailed criteria

 https://www.careers360.com/university/indian-institute-of-space-science-and-technology-thiruvananthapuram/courses?degree=2

Good Luck!