Hello Student

Yes you will be eligible for appearing jee mains examination even you have passed your 12 class examination in 2 attempts. You will get three chances in the consecutive 3 years for appearing Jee mains examination. If you failed in faster second attempt you will get also all attentions more that is third chance for you to appear Jee mains exam. You fail into 2023 and  passed in 2024 then in the year of 2025, 2026 and 2027 you will be eligible for appearing in jee mains to qualify the examination jee mains.

Hope this helps.