Consumer Redressal

I bought a dress item from online shopping website snapdeal.com The item was not good in quality and different from mentioned one.So, I asked them for refund by raising a complain(no 9213163).They told me to send the item by any national courier service and after that they refund my money once the item recieved.So I retuned the item on September 15th 2014 by Bluedart courier service(which was received on 17th September)After that I contact the customer care of the online shopping website and also sent them mail for feedback status and refund status,but no response from them.Then After contacting frequently they send me a mail asking my NEFT details.I send my NEFT details,but again no response from them.Already contact them(09212692126 which is not a tollfree no.) but they promised for callback within 24 hours.But till now no callback,no response.Trying from a month,Spent a lot on contacting customer care no solution given yet.I want my money back and courier charge also.Please help me