Myntra.com — refund amount not received from myntra

I had initiated refund request for an item purchased from myntra.
The item was also picked up by yhe delivery guy but still have not received the refund amount
Refund no.[protected]
Refund amount: ₹1511
The expected refund duration has also crossed. Infact its going to be a month now!!
Utterly disappointed with the service.
Attaching the screenshot of the mail i had received.