Hi

I am asuming you are talking about JEE main exam, see there is nothing so called as qualified in JEE main. According to your percentile you will get a AIR rank. And then based on rank you will be alloted seat in NIT or any other college accepting JEE MAIN score.

But to answer JEE ADVANCED, yes you have to qualify JEE MAIN. And the qualifying score is 84 percentile.

Hello aspirant. Since it is not mentioned in your question, I assume this is your CAT percentile. I would like to tell you that you are eligble for all the decent colleges that accepts CAT score. I will be able to help you better if you provide more specific information such as your category, colleges you have targeted, your previous academic record. I hope you found this answer helpful. Good luck.