Indian Bank — amount not refunded after transaction failed

Address: NO.73 STATE BANK COLONY, CHROMPET, 600044

Purchased through debit card at the time getting transactions failed after some time got message that is amount is debited from your account. 26th i have transaction through debit card. Still am not getting the refundable amount. Kindly take action for the same. How many days am waiting for this. Already 1 week gone. Still am not getting amount. Please refund my money as soon as possible