Canara Bank — request for refund of transaction failure

My name is p. Bharath rathna kumar,
I have an account in canara bank{acc no.[[protected]]} and i have done a transaction through swiping machine at prasad i max, hyderabad, on 19th may 2019 at 13:42:10 pm but the amount (500 rs) was not credited to beneficiary account but the amount is debited from my account. Transaction reference id [prasadimaxsaifabadapin-19/05/19 13:42:21/6536]
] [cheque no:[protected]]. I request you please refund my money. My registrated mobile number is [[protected]].