Blue Dart Express — i am complaining about product not being delivered.

The product is not delivered. While tracking it showed wrong pincode but the pincode was correct. Then it was sorted but in text message it was like undelivered but they didnt even call me. The service is not proper and contacting process is good and the contact number is not in use. Why there is no way to contact you. I need the product immediately. I have ordered a week before still it is not delivered