Myntra.com — Return the product and send my refund

I got my product delivered from myntra on 19 dec. I opened it and didn't found the stuff in good quality so without any delay I created a return request. Next to next day the delivery boy came to pick up the return without checking parcel and denied to return, it stating that it is not having the same product. I then saw it and tried to contact the customer care of myntra. They said they have opened an issue and reply to that with in some days. I was okay with it. Then, 25th of dec I got a reply to my issue that my return request is declined because they have confirmed not the same product is by from my side. And it's nothing like that, I was provided the same product with tag and invoice which is having its brand name on that. Also the return request second time declined and I send it product's front, back and all angle photos send to myntra supervisor but they didn't help me. Why I would be making the wrong product when I know I have to return the product. I have tried talking to them many times, none of them agreed to make it happen also myntra supervisor.
What kind of justice is this, this is not good behaviour by myntra. I thought myntra is genuine and loyal but they failed, I need my refund back of Rs 10801
Also I have delivery boy number please take certain actions related to delivery boy and number is [protected]
Please help me to return the product and send my refund from myntra, I'm suffering a lot

Order I'd - 115886685239626825803
Product name - Bollywood vogue multicolored embrioded made to measure lehenga choli with dupatta
Myntra seller address - C bazaar Plot no 1, Jariwala compound B/H Sumul dairy, Vasta devdi road, Katargam Surat - 395004