Hello Aspirant,

As per the guidelines, maximum number of attempt allowed for JEE-Main are three for consecutive 3 years means if you are going to pass your class 12th in 2022 then you would b eligible for JEE-Main 2022, 2023 and 2024 and for JEE-Advance it is two attempts for two consecutive years do if you are going to pass your class 12th in 2022 then you would b eligible for JEE-Advance 2022 and 2023 provided those you must qualify JEE-Main of that examination years.

There is no upper age limit and also note that even if you do not appear for any attempt then also it would be deducted from your total attempts.

You can check out detailed eligibility criteria form the link given below :-

JEE Main Eligibility Criteria 2022 (Released) - Check Age Limit, Qualifying Marks, Number of Attempts (careers360.com)

JEE Advanced Eligibility Criteria 2022 - Check Age Limit, Domicile, Average Marks (careers360.com)

I hope this information helps you.

Good Luck!!