Indian Bank — Refunding not received

Address:

chennai

I did a card transaction on 07/04/2021, bharat petroleum pondycherry, my first transaction amount debited from my account, but they did not received, so they asked for second transaction by saying that amount will be refunded to you with in 5 days, so i did second transaction that was successful, but its been alomst morethan 10 days my amount is not refunded..