Ecom Express — non delivery of item awb no[protected]

The item with airway bill no[protected] is a cash on delivery package. It is being shopwn as "out for delivery" since 14/08/2019 but has not been delivered. The customer's address is correct and the same has been confirmed by contacting him.

The shipment has been booked on date 06/08/2019

Shipment reached hyderabad on date 10/08/2019

Shipment out for delivery on 14/08/2019 (Why 4 days delay occured at hyderabad)

Then no update after 14/08/2019. Several complaints were made by calling ecom express customer care but the solution has not been provided.

Either deliver the package or return it to origin. Why there is no status update after 14/08/2019.