Hello aspirant,

Yes, you can change your category to OBC-NCL when you'll appear in JEE mains examination in 2023.

You need to give a proper valid category certificate which will be the proof that you belong to the OBC - NCL Category.

Further, there's a reservation criteria for OBC-NCL category student. The reservation for OBC-ncl category is  27% in JEE mains.

Further, if you wish to know more about the JEE mains 2022 exam, then you cna follow the below mentioned link to know more :

https://engineering.careers360.com/articles/jee-main-2022

Further, you cna also check your admission chances in other colleges with the help of the below mentioned College predictor tool based on your rank and percentile in JEE ;

https://engineering.careers360.com/jee-main-college-predictor?utm_source=qna&utm_medium=jee_cp

I hope that this will help.