Myntra.com — order didn't delivered to me...

Address: Ghaziabad, Uttar Pradesh, 201009

I ordered a caprese bag from myntra on 12 april but i didn't receive the product till 19 april so i check my emails but there were no emails regarding with my order then i check 'my order' section in myntra app, still, there was no order. I was surprised, so i did call on myntra customer care number and they tell me that sir your order has been delivered to you on 13 april.
I talked to them about 2 hours that i didn't get the order please check the details and i also didn't get any email regarding my product.
But they didn't listen to me. When i was talking to them i feel like these people don't have any technical knowledge.
I was really sad that i didn't get the product. But i decided that i will never buy anything from myntra again. A company should give value to their customer. But in case of myntra they don't even listen to the customer.