Dear student

Form/registration to appear cbse improvement exam 2021 have to be filled by respective school. They will submit online list of candidates who are willing to appear for this exam.

So if you want to give the CBSE improvement exam contact the school you are enrolled in. They will fill form for you and send all the necessary documents for you to cbse. So go visit the school and say you have to appear for improvement exam.

You can check detailed notification from the CBSE official website. Link is below

https://www.cbse.gov.in/cbsenew/cbse.html

Hope this information helps you

All the best