Myntra.com — They are asking me to self ship the product to return it

I purchased skybag trolley from Myntra but the quality is not up to thr mark.so i wanted to return. When requested for return it says I have to self ship the product which costs me aroung 5000 as the trolley is huge and voluminous. I spoke with customer care but there is no solution with them. I dont understand why my location is not eligible for pickup. We had returned/exchanged many items in the past from the same location. There is no pre information that it should be self shipped if return is needed. All of a sudden they are asking to self ship which is expensive. Please resolve