Airtel — failed transaction of 3290/- through my airtel app

I made the transaction of 3290/- through for tata sky dth recharge though my airtel app but did not receive any confirmation message of dth recharge and amout is deducted from wallet of my airtel payment banki made so many calls to customer but they did not provide any solution nor the able to communicate properly moreover one customer care representative gave the number [protected] and 400 which i have been trying to call since long but no response yet, my registered mobile for the app is [protected]. I hereby request you to refund the amout 3290/- as soon as possible.