Myntra.com — return related issue item not getting picked up

Address: Darjeeling, West Bengal, 734010

I have registered a return request of an order but the same is not getting picked up from myntra. I complaint many times at the contact center but nothing work out. They are just giving me timelines. Every morning i get sms that the item will be picked up but at the end of the day it doesn't. As the item is not been picked up they are not processing the refund. Kindly help me.