Hello,

In 9th registration for board exams you need to fill basic details to confirm your 10th exams.all this process is completed by your school.you can contact your school staff who are responsible for the registration process.

However there is no role of caste in board exams.you can claim benefit of caste in your further studies.

To boost up your studies try these preparation tips by experts

https://www.google.com/amp/s/school.careers360.com/articles/cbse-class-10-preparation-tips/amp

All the best!!!