Bank Of India — Reversal of failed transaction money

Address:

Nagpur, Maharashtra, 440034

Hello,
I have did transaction through debit card in of the retail stores at mumbai. Money has been debited from my account but transaction was not successful. I paid money by cash then. The customer care of retail store told me money will credited within 48 hours, but still not received.
Need to review on this transaction, suggest the proceedure.