Hello aspirant,

To be eligible to give JEE MAINS exam, you must have scored 75 percent marks or more in your five subjects including Physics, Chemistry and Maths. If you fulfill this criteria, then only you can give this exam.

There is not any age limited eligibility criteria for JEE MAINS exam.

For more information, please visit the following link:

https://engineering.careers360.com/articles/jee-main-eligibility-criteria

Thank you

Hope it helps you