Blue dart is preaty good courier company, if I say about my experience that was realy good. the average time of delivery was four to five days some time they deliver less than three days that was depend on distance but overall delivery service was realy good and online tracking experience was also good. Blue Dart is my most referable courier company at my area. I don’t know what was the service at other location but at kolkata their service was good. delivery boy behavior also good, I am impressed by Bluedart. till now my recommendation is bluedart.