i have not registerd jee 2021 but i passed 12th clas in 2021.can i eligible for jee2022?

Yes, if you have passed 10+2 or its equivalent with Mathematics, Physics, and Chemistry from a recognised board, you are qualified to take JEE Main 2022. From the year of passing the qualifying test, a candidate is eligible to sit for JEE Main for three years in a row. You are eligible to take JEE Main 2021, JEE Main 2022, and JEE Main 2023 based on this.

Hello,
Yes, you are eligible to appear for JEE Main 2022 if you have passed 10+2 or it's equivalent with  Mathematics, Physics and Chemistry from a recognised board. A candidate is eligible to be appear for JEE Main for three consecutive years from the year of passing in the qualifying examination. According to this you are eligible to appear for JEE Main 2021, JEE Main 2022 and JEE Main 2023.
If you are considering to take long term and prepare for JEE Main you can go through our JEE Main coaching program which provides e-lectures, test series, smart study materials, previous year papers, performance analysis, structured time table, doubts clarification sessions and many more. You can use the link below to check about the program
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Hello there,

The basic eligibility criteria for JEE Mains is that, you must be either in 12th or had passed the 12th class. Now as you are passing the 12th class in 2021, so don't be worry that, you have not filled the JEE Mains application form.

You are surely eligible for the JEE Mains 2022 exam. But also, let ne tell you that, you can also give all the four sessions of the JEE Mains 2021 exam. You are also eligible for that.

Below, I have provided a link. Here you can check all the eligibility criteria for the JEE Mains exam.

https://www.google.com/amp/s/engineering.careers360.com/articles/jee-main-eligibility-criteria

Hope it helps.

Hi Candidate,

A person is eligible to attempt the JEE Mains examination for three consecutive years- starting from the year of his passing of class 12th board examination.

So, as you have passed your class 12th examination in 2021, hence you are clearly eligible to attempt the JEE examination for or the next 2 years, but the chances for JEE advanced is limited to the year of your passing and its next year only.

Hope it helps!!