FRAUD BY E BAY

HELLO
I AM .GEETANJALI MISHRA FROM GREATER NOIDA. I BOUGHT Certified Natural Italian CT-7.00 Rt-7.7 MOONGA 1.400 Gram (CORAL), RED CORAL
(111554965102) FROM E BAY ON 11/01/2015 BUT CANCELL ED THE ORDER SOON. I PAID Rs 6160. I CONTACTED CUSTOMER SUPPORT TO CANCEL THE ORDER BUT THEY DID NOT DO SO RATHER ADVISED ME NOT TO RECIEVE THE ORDER AND PROMISED TO REFUND MY MONEY AFTER THAT. I CONTACTED THE COURIER SERVICE THAT IS TRACKON COURIERS AND REQUESTED TO RETURN THE SHIPMENT TO THE SENDER. THE DID SO ON 15TH JANUARY AND THE SHIPMENT RETURNED TO JAIPUR.AFTER THAT I CONTACTED CUSTOMER SUPPORT OF E BAY AND ASKED FOR REFUND. THEY ASKED FOR 5 DAY TIME..THEN EXTENDED FOR 3 MORE DAYS. NOW THEY ARE NOT WILLING TO RETURN MY MONEY AND THE STATUS SHOWS MY REFUND HAS BEEN REJECTED.PLZZ HELP ME IN THIS MATTER. I HAVE EMAILS OF TRACKON COURIE WHICH SHOWS THE SHIPMENT HAS RETURNED