DTDC — my package is missing on transit

sir this is vijay chowdary, i booked a parcel(thin client computer equipment) at dtdc courier service peddapuram to Secunderabad bill no :H21411891 booking date Monday, July 22, 2013 @ 1945 Hrs still today it was not reached to Secunderabad the courier online tracking is showing it was sent from kakinada but in sec they were not received the courier persons(kakinada) was not responding to my requests