NTA have released multiple correction sessions before the JEE MAINS 2021. If there would have been mistake you must have changed that at that time. Now you can't change or correct the name on the final JEE MAINS report. You must have to be very sincere regarding this.

There are no information available to correct the name on the final report.

To know more about JEE MAINS 2021 visit the link below:

https://engineering.careers360.com/exams/jee-main

I hope this answer helps. All the very best for your future endeavors!