may I know? what percentile should we hold in jee mains and jee advnace to join in iist...

Hello,

To qualify in JEE Main you must score the minimum cut off percentile specified for the category that you belong. You haven't mentioned your category. Here is the cut off percentile in JEE Main

• General: 90.3765335
• EWS: 70.2435518
• OBC-NCL: 72.8887969
• SC: 50.1760245
• ST: 39.0696101
• PWD: 0.0618524

The JEE Advanced cut off rank to get Admission in to IIST is as follows

Aeronautical Engineering

• General:775
• EWS: 172
• OBC: 473
• SC: 204

Electronics and communication engineering

• General:951
• EWS:196
• OBC: 511
• SC: 228

Dual Degree

• General:882
• EWS: 210
• OBC: 521
• SC: 167
• ST: 10

Thia was the cut off in 2020. You need to score a little more than previous year cut off to have decent chances of getting seat because cut off may increase or decrease depending on number of candidates appeared, difficulty of exam, top score, number of seats available etc.

You can use our JEE Main knockout to help you with your preparation

https://learn.careers360.com/knockout-jee-main-april/