Airtel Prepaid — Paid for recharge with airtel thanks app but recharge not done.

I made a recharge of 558 on 28/08/2021 at 15.01.22. using airtel thanks app, the amount was taken but no recharge done. now when i call 400 they ask me to call 121 and 121 will ask to call 400. in this way i have contacted them almost 10 times and at last they ask me to send email to [protected]@in.airtel.com, so i have sent a mail then i have received a mail asking me to register my email id. then again i called 121 and registered but i didnt recieve conformation mail. then again i got a mail to register online so i did it. but till now i didnt recieve my recharge. My mobile number is [protected]