DTDC Courier & Cargo — Bangalore to bangalore more than 5 days

Address:

Bangalore, Karnataka, 560099

F[protected] Consignment number
Which is posted Monday night from Bangalore (domlur) to Bangalore (Electronic city) has not been delivered.. And it's more than 4 days...but still there is no proper response.. The customer care has given branch number but it's switched off always... I never have seen such a worst service in my life.
I don't know what to do..., ..., ...
It's very urgent documents need to be submitted...