Blue Dart Express — delay in delivery of product.

Dear sir/madam
We are calling to blue dart office at muktsar, punjab from last four days they always giving excuses that they will deliver my documents today but still i can't receive my documents. We are not satisfied with the service from the centre because they always giving excuses. As we checked on blue dart tracking by products received by mukatsar courier centre on 29 september 2018. As you know today is 6 october so from last one week the courier is with mukatsar blue dart centres. So please follow my issue as soon as possible because it is too late delivery of my courier