Amazon India — Refund not received from bank end

We bought Amazon Brand - Solimo XL Bean Bag from Amazon.in and due to the size we returned the product and the and they initiated the transaction but we did no receive the money in the provided band account
RRN number:[protected]
The above number is provided by amazon customer care to track the transition from the bank side as I contacted bank people they mentioned don't have any facility to check the transaction so please do look into the issue