Delhivery — Delay in shipment, larceny

Awb[protected]
Pickup date- 8 August

Package has been stuck in Bilaspur, Haryana for so many days, still not showing signs of being shipped. They keep extending the expected delivery date. It was supposed to be delivered by 16th August. Contacted customer service, all they do is give the same reply, "please be patient blah blah, operational delays blah blah"
Same seller sent me two packages, they were pickedup on the same date, so why is one lying on my shelf while the other is still thousands of kilometres away? Why keep extending the delivery date when I could've saved time by cancelling the order and getting it delivered via other courier service. If delhivery cannot do the one thing they charge money for, they shouldn't be in business, it's both illegal and unethical.