Punjab National Bank [PNB] — Refund initiated by Amazon but not recieved yet.

I have ordered a House of Quirk IR Motion Sensor Rechargeable Lamp on[protected]. It recieved on 6th February 2022 and was returned on[protected]. But I have not recieved refund for my product.

Amazon initiated the refund on[protected] and it was expected to come on[protected].

Amazon gave me the reference[protected] but PNB has still not credited my account for the same.

This is urgent please help me as soon as possible