Myntra.com — I didnt recieve my refund money

My return request for the wrong product i got was submitted and the pickup was there i gave the package to them i got an email stating that i will get another email asking about my bank account details but i didnt recieve any email till now and i am waiting for my money to be refunded as soon as possible as i opted for cash on delivery do something as soon as possible i am a regular constumer of myntra and this time i am really disappointed from their attention towards my problem i called two times and they agreed to the return request firstly they handled me the wrong product with very bad condition now they are not giving my money back