Airtel — money got deducted from my credit card but the recharge failed

Address:

Gurgaon, Haryana, 122001

The txn id for my recharge for rs 448 is[protected]. The recharge got failed as soon as the payment went through. How do i get the refund?
Phone number is [protected].
Please make sure that i get my refund back into my credit card as soon as possible.
I am not able to view this failed transaction in the my airtel app as well. Please use the txn id to follow up on the same