Dear aspirant

Yeah definitely you can attend 2022 jee mains exam and if you get failed or you don't get a choice of your college. Students can participate in the JEE Main for 3 consecutive years. The JEE Main 2021 exam will be conducted 4 times in February, March, April and May. so if you have passed your 12th in 2021 then you can attempt upto 2023. Also for getting admission in NITs / IIITs / GFTIs.Candidates should have passed class 12th with a minimum of 75% marks or they must be in the top 20 percentile in their class 12 examination (65% for SC/ST candidates).

You can check whole eligibility criteria for jee mains from link below

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

Hope this information helps you

All the best !!