Myntra.com — bad behaviour and false intimation from courier

Address: Dr.A.B Mukherjee Road,Borehat,near Marwari Thakurwari, 713102

Hi,
I am a regular buyer from myntra. I ordered a levi's top worth 1019/-. Instead of the top i received a male spykar jeans worth rupees 2499/-. I placed a return order for the exchange of the wrong product. Everytime i placed a return request no one came to pick it up and it was either rescheduled or cancelled. Return i'd : [protected]
Yesterday the picking agent called me and refused to accept from my pick up point (Office) instead asked to return it at my home address. I agreed to that even. But the picking agent refused to provide me acknowledgement slip or a message regarding pick up accepted and said he has no battery in his cell phone. Again they are not agreeing to pick up the item from my delivery point.
It's very annoying to receive such a behaviour and customer service from much reputed myntra.
Kindly do the needful
Mail id : [protected]@gmail.com