Billdeskutil — jio phone pre booking

Dear sir,
Today, while i was pre-booking the jio mobile, i have made the payment of rs. 500 via paytm. Our transaction was successful, but it did not book the jio mobile. My transaction details are as follow:
Transaction id
[protected]
Transaction date
Aug 24, 2017 22:03
You have paid ₹500.00 to billdeskutil.
Since, it did not book the jio mobile. I request you, reverse the payment.
Thanking you,
Regards,
Megha
Mobile no. [protected]