Bluedart — Parcel not delivered on time and no response from the customer support

I had one parcel delivered from HDFC bank delivered through Bluedart company but this company hasn't delivered that parcel from since last 25 days and apart from that there is no proper response from their customer support. I had attempted for redelivery for atleast 3-4 times but every time at the time of delivery there is no contact from their delivery boy and at the end of the day they just show the status as "No Such Consignee At The Given Address" although i was available on the given address. I am requesting a proper investigation of this issue.