You will have to qualify through the *JEE Advanced* exam for joining the Indian Institute of Space Science and Technology after 12th grade, as IIST does not conduct its own entrance test. First, you have to clear JEE Main for being eligible for JEE Advanced. Admissions are on the basis of your rank
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To join the Indian Institute of Space Science and Technology (IIST) after 12th class, you can apply for a B.Tech programme and qualify for the Joint Entrance Examination (Main) and JEE Advanced:
Eligibility
You must have passed 10th and 12th board exams with a minimum aggregate of 75% (65% for SC/ST
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