Myntra.com — delivery delayed

Website: Myntra.com

Order placed on 13th of july 2019 and expected delivery date was 21stjuly 2019 still didn't recieve my product. I called myntra customer support people and they said it would be delivered on or before the given date. Order details are given below. It says your order has been delayed but for how long? If i leave it like this my product will never be delivered and i paid the amount in advance.