St Courier — Poor service and abuse words by area office incharge

Address:

Chennai, Tamil Nadu, 600068

A courier contains of important letter has sent to me on 28.10.2015 from madurai.I have to receive that courier on 29.10.2015 in chennai.Till date i didnot reveive that courier.I gave a complaint to Mr.Navarasan who is a branch incharge in Thiruvottiyur branch, Chennai.But he used abuse words and told that I will not get that courier on time.Now I wanted to know the reason for the delay and his filthy response.