Urbanic — I'm complaining about refund failed

I recieved my order on 10 September but due to some reason I return it on 11 September. On 19 of September I did not recieve refund of same amount Rs.847. so I called at urbanic support for refund they told that my account details is wrong and they sent me a Google form for correction account details. I filled it and i also check for 3-4 times and i also take screenshot for confirmation that it is check. But now on 21 September again refund is not recieved it said that it is failed...please help me