Airtel — Airtel Xstream connection request rejected and refunding the payment

Address:

Bangalore

I had requested for airtel xstream broadband connection on 17th may 2021 and made the payment online. they promise to service their customers within 24hrs.
but, I did not get any response from airtel team until 21st may and on 21st may i got a SMS stating that the connection request cannot be processed and the payment is not refunded to my account.