See the eligibility for class 10 th examination is that the student must be  14 years , as of 31st december of the year of examination. So you are going to give your 10th in the year 2023 i.e., Boards 2022-23 as a result you are eligible for the 10th examination as you are becoming 14th with the December 31 of 2022. Don't worry about it.

I hope this answer helps. All the very best for your future endeavors!

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