Delhivery — My product still in delivery centre of origin city from last 4 days

I booked a courier online with delhivery. The courier was picked up on 14th aug however till that date the status of the courier is not changing. From 14th evening till now it ahows your package has reached the courier facility. Its bot moving ahead. I have made several complaints on the delivery site, they respond that we are working on it and will deliver your product on priority but nothing happens in terms of status. Moreover there is no customer care number where we can speak. Pathetic service.