Blue Dart Express — My order was delayed and not delivered on time

I ordered my product on 2nd April and just because I couldn't pick up a single call, the deliver didn't even bother to pick up the call after that. I tried calling him several times but no answer. They just kept postponing the delivery and now it just said that the consignee cancelled the order, which in fact I didn't. Such a poor delivery service and no audacity at all to contact and inform the customers about the status of delivery. Please i highly oblige you to deliver my product on time without any problems.