Myntra.com — Delivery agent not delivering my order

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Myntra app

I ordered 1 sandIe with order number [protected] I got delivering today msg 2 days ago since then i am Trying to call delivery agent. On 1st day he is only telling that he will deliver in afternoon but didn't call. I called him then he said will deliver in night then at night he said he will deliver tomorrow. Tomorrow also same thing happened. I got delivery failed msg. I contact to help line but nothing happens they just raise the ticket and without any update i got notification that issue is resolved. I want to raise a complain against myntra and delivery agent