what is minimum percentile requried get into the IIST
I assume you want to know about iiest b.tech percentile. To get admission in iist b.tech course, you have to first crack jee main exam, after getting the qualifying score you will be eligible for jee advance. based on jee advance score iiest b.tech admission is done. however cutoff score may depends on certain factors like number of applicants, questions difficulty level, seat matrix, students category and so on.
the qualifying marks for iist is aggregate of 20% in entrance test and in pcm you have to score 5% in each of the subjects of pcm based on previous years eligibility.
you may follow the below link to know about previous years closing score:
To take admission in Indian Institute of space Science and Technology clean air space engineering courses of BTech candidate has to secure at least 75% marks in 12th class examination with PCM group and have to qualify the entrance examination is taken at least 60% marks in entrance examination. This is the minimum minimum marks criteria for taking admission in IIST.
Hope this helps.