Vastrova .com - Amount not refunded

I have the worst shopping experience with Vastrova.com.
I have bought a Banarsi style suit costing **** + shipping = Rs. **** (paid COD, receipt attached).
It was made of cheap material, not at all like the image, also stitching was poor. I asked for return and refund for which they told that amount will be refunded in vastrova wallet, which i can use in my next purchase and deducted Rs *** as shipping and packing cost also. So I got **** in the refund. I told that if the next dress also comes this cheap, then they have to refund the money. for which they agreed. To get my money I have bought another dress (White suit - Image attached) from them, which as expected came in cheap material, which I returned back and asked them for the refund in my account. They have never replied to my mail ever since. I have returned both the dresses, lost money in shipping charges from their side and return courier charges from my side + the amount of the dress.
They don't have any customer care number and for mail also they don't reply. There is no other way for me to reach them and get my money back. Kindly help me with this issue. I have all this communication on mail. I can forward it to you if required.