Jammu & Kashmir Bank / J&k Bank — Refund not recieved

Address: Lal bazar Srinagar Kashmir

I was supposed to get a refund from amazon. They initiated the refund on 07-sep-2020 with the reference number of[protected]. But my bank is denying that any sort of payment was made through this refrence number saying they are unable to track my payment. So i called the Amazon and they told me to raise a dispute. I really hope you can help me with this matter.