Canara Bank — debit card used at pos. transaction failed but money debited.

Address:

Chennai, Tamil Nadu, 600004

I have purchased from ssj mens wear, through debit card on 09/01/2018. The transaction was timed out in the merchant pos machine. But my a/c in canara bank is debited for the transaction. The amount is rs.1000/-.. I am supposed to get back the money in my account with in 24 hours. I have not received the refund amount in my account till now (11/01/2018). My visa card is issued by canara bank, thousand lights br., chennai.