Hello,

The minimum eligibility criteria for regular students to appear for class 10th board exam is that the candidate must have passed their 9th class from any recognised board, candidate must be studying in class 10th in a school affiliated to CBSE board, there is no age limit to appear for CBSE 10th 2021 exam, student must have 75% attendance in class 10th.

For more relevant information, you may visit here:
https://school.careers360.com/exams/cbse-class-10th/amp


Hope this helps, all the best.