Central Board Of Secondary Education [CBSE] — Admission cancel refund

Address:

Surender kumar anandam awass sector 19 dharuhera

Surender kumar my son tanav apply in 1 class on 27/08/2022 in euro international school dharuhera and pay fee 16000 . but school says books not available at this time so i cancelled my son admission but school not refund my amout 16000 .I have send my many time mail in the school but school not reply my email and give application to principal but school not refund
Pls sir help