Central Bank Of India — request to refund transaction repeatedly debited from my account net banking mobile recharge amount

Address:

Central Bank of India, DIMAPUR, Nagaland-797112

I used cent app mobile banking, i recharged mobile but during the transaction it's shown on screen "your transaction can't processed/try again" i tried 3 times at the the same timed. After some mints i login and checked the current account balance and transaction transferred list it debited the same ₹399 each 3 times, mobile rechraged amount in that same mobile recharged no. I request you to kindly refund which repeatedly debited from my account net banking phone recharge amount ₹798