Bank Of Baroda — Debit card transaction failed but money debited from account

I am a customer of bank ofboroda, barrackpore branch, west bengal. A/c no. [protected] and ifsc code : barb0barrac. Two visa debit card transaction of rs 500 were made by me on 20/03/2017 at 9.04 p. M. And 9.12 p. M. To load money at oxigen wallet. First transaction was failed but money debited from account. Till after completion of 8 days money of rs 500 not refunded.