Indian Overseas Bank — recover faulty deducted amount

Address:

Madurai, Tamil Nadu

On 29/12/2018 evening 4.42pm i use my debit card for the purchase of ₹3400 diesel at pos k srinivasa iyengar & madurai. Even the transaction is failed but ₹3400 is deducted from my account and which is not refund to my account.
I request you to recover the faulty deducted amount to my account as soon as possible
Encl:
I have enclosed the photo copy of the transaction failed pos receipt