India Post — Worst service, seven days still the item does not delivered new delhi from kolkata.

Address: Kolkata, West Bengal, 700032

I booked an item for new delhi, 28th december still now it is in kolkata. Are they kidding with public!!! What kind of policy is this?? I treid all most every number given their site, all re wrong, or bussy for every single moment.
Event details for : ew[protected]in current status : bag received at nsh kolkata airport
Date time office event
28/12/2016 23:17:21 nsh kolkata airport bag received
28/12/2016 16:09:13 jadavpur university s. O bag despatched to kolkata rms
28/12/2016 16:03:57 jadavpur university s. O item bagged for nsh kolkata airport
28/12/2016 11:37:24 jadavpur university s. O item booked