Airtel — need refund of inr 11974 on my account

Address:

110030

This is regarding wrong transaction happened on 31st dec 2017 at 8.02pm of inr 11974 while doing payment on airtel no [protected].
This is wrong payment of inr 11974 is done from my account.
I already registered complain in airtel office on 1st january 2018.
Srh 82408528 they said amount will be refunded in my account its almost 15days now when will get my refund. Please provide my refund.

Account bil*[protected]*
Reference no srh82408528

Thanks and regards,
Kanika singh
[protected]