Delhivery / Ssn Logistics — regarding my order

I have order a powerbank from mi store on 25 Oct 2019 and it has reached my nearest logistics of delhivery courier on 28 oct my tracking no.[protected] but till now they didn't deliver my parcel yet.When i call to delivery boy and reached the courier they are denying me that the order is not in our office and I raised complain in delhivery website but they didn't take any action and just ignoring me