Aakash Institute — Creating problems in refund

My daughter was in 11-12 Medical Course Live Programm in your coaching institue and the course has ended in 2022.So, I requested for a refund of Security Deposit on 2nd May and on the same day the Refund link was sent to me regarding the Account Details for refund and that was filled on the same day.But it has been 22 Days and the refund has not been credited yet and when i am mailing the reply is coming very late which is not accepted from a such institutes and at the time of admission you are just calling many times.