Amazon India — double payment refund

Address:

799006

Order Id[protected]. On My product Delivery Date, In front of courier boy, I paid the amount Rs.1576 through PayLink SMS received from amazon. Transaction was successful but payment not received by amazon, and courier boy did not deliver the package on that day. On next working day, I paid through Cash and received the order from courier boy. Here I paid total Rs.1576 + Rs.1576 (Paylink and Pay on Delivery). I have complaint amazon about this issue and requested them to refund the excess amount (Rs.1576) which was paid by cash during delivery. They told me that refund initiated. But I still not received the refund in my bank account.