Blue Dart Express — calls not being answered and non delivery of item at trivandrum

My name is d santhi kumar. Address: sri damodar, mnra 62, vattiyoorkav po trivandrum - 695013 alternate : kaaizeen meditech pvt ltd, navarangam lane, nra 54, medical college po, trivandrum - 695 011 - phone:[protected].
13th march 2018
I had a call from +[protected]at 12.33pm. I called back after 20 minutes (As i was not in a position to attend the phone when the call came) the caller identified as from "blue dart". I told him that my office is near medical college. He replied that his service does not cater medical college area. When i asked him from where the courier has come, he cut the phone. I tried 7 times his number. The number was ringing but the person did not answer, i am expecting 2 couriers - one from amazon - a computer system and one from hsbc (Reward point coupons) i have a feeling the guy purposefully did not answer my calls knowing the value of the stuff. I am yet to receive any calls.