Delhivery — Lost of my package

I ordered Led Monitor from Reliance Digital and they shipped it using Delhivery courier they provided an estimated delivery date of 30 august 2022 but it's not been delivered till now September 4th 2022. Also, they are not responding to my tweet's complaints. They don't provide any reply on the ticket created on their website ticket id is 45969333. The tracking number of my package is[protected]. They are not updating any status where my item is.