Hello Aspirant ,

Hope you are doing well .

To get your migration certificate, Central board of secondary education(CBSE) will be providing it on your application to the CBSE board with necessary documents.

For more details and application process visit the given below link.

https://www.cbse.gov.in/newsite/forms.html

For the character certificate, the school affiliated with the CBSE board will be providing the certificate.

Hope this Information helps you.

All the best.