Hello,

You can give JEE Mains next year as the eligibility criteria states that the candidate  should have passed the 12th class or qualifying the exam in 2020 or 2021 or should be appearing in 12th class or equivalent qualifying exams in 2022 to be eligible for JEE Main 2022 exam. So you will be eligible for JEE Main 2023. The National Testing Agency (NTA) will release the JEE Main 2022 eligibility criteria and mention it in the official notification. Only eligible candidates can apply for JEE Mains exam and give the exam. Please click the below link for the details of the eligibility criteria.

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