India Post — Package showing "Item Delivery Confirmed". Package not delivered

Address:

Lucknow

The status as of Oct 8th 2021 5:00 pm. The tracking status shows that the item delivery has been confirmed.
Tracking number:
1) UC[protected]IN
2) UC[protected]IN

"Current Status : Item Delivery Confirmed"

But the recipient never got the package. None of them have signed or received the package. There was a phone number of recipient provided on the label & yet nobody received a call.