hello aspirant,

do not worry if you have uploaded your wrong signature in your CUCET application form. You can correct any necessary corrections in your CUET Application form when the Correction window facility will open. All candidates can make the necesssary corrections in their CUET Application form during the Correction window for the CUCET application form opens up.

Further, i would suggest you to keep visiting the official website for CUCET to know about the opening of Application form correction. Further, to know more about the CUCET Application form and other necessary details about the CUCET Exam, you can follow the below mentioned link to know more : https://university.careers360.com/articles/cucet-application-form

I hope that this will help.