SkyKing — Courier not delivered within Delhi one location to another from last 10 days

I have send courier through skyking courier branch in Rohini Sector 3 on 9th June, where they promise me as its local courier thats why it will be delivered within one day. now its 10 days and from last one week i am trying to following up the branch and Skyking customer number available on their site. Customer care number is not reachable from that day and branch person keeps telling me give me one day. He told that Sekhar Ramola is Boss in Skyking but this person is also not picking up the phone.
So can anyone help here to resolve this issue as that courier has importent documents which are now dont where with whom