Indian Overseas Bank — ATM card swiped at petrol bunk but declined.still amount debited.

Address:

600 117

I am having account with IOB ZAMINPALLAVARAM BRANCH. MY ACCOUNT NUMBER IS 1806. I swiped my atm card at a HP PETROL bunk at zamin pallavaram for Rs700.50 for 10 lr petrol. The card got declined. incident on 4.1.17 at 22.13 PM night.However money got debited and message received.I enquired with bunk but they told to write to bank as they did not have any debit in their list.so kindly credit the amount Rs700.50 to my account 1806 at zamin pallavaram branch
P.Veerasubramanian