Overnite Express — complain about undelivered parcel although more than 10 days has been passed from the date of booking

One parcel was booked for delivery on 24th april 2018 for bhubaneswar overnight courier centre to deliver at bangalore in the name of subhendu sekhar pradhan. Vide consignment no : [protected]. Mobile number of mr. S s pradhan has been mentioned on the courier envolpe. So far no courier person has contacted him through his mobile number to inform him about the time of delivery. But in the current status it has been mentioned that the door was locked and mr. Pradhan was not available. When i tried to contact the courier persons at bangalore through contact number [protected] they didn't listen to me and was not in any mood to help me. After that they cut my call and when i further tried to contact them the call was not connecting as they have blocked the number. The parcel must be immediately delivered to the person without making any further delay.