Blue Dart Express — delayed delivery and talking rudely

Address:

sasaram bihar, Rohtas, Bihar

They delayed my courier as it reached sasaram center in 3 days from mumaie, but still sasaram office is not delivering, multiple of people are not satisfied with your sasaram office, you can see the review of sasaram office, they delayed my visa document and talking so rudely and they said me to collect from offfice but till now no action is taken against the sasaram office bihar
My consignment no.[protected]