Airtel — wrong recharge of airtel dth

Dear Sir,
While recharging my Airtel DTH I have put wrong Customer ID . My bank account got debited by Rs 546/-. Kindly refund the same.
The transaction reference is given below:

Name: SUBHAJIT BISWAS
Ph No. [protected]
Bank :SBI
Ac No :[protected]
Ref: [protected]UH13504046
Date : 27/06/2017