Boat — Parcel lost

Hello Sir
I am kumar Vivek Ranjan, 26 april 2021, i claimed my parcel from Gurgaon to Ranchi delivery from Delhivery. After 1 month and I haven't recive my parcel yet and parcel was losted by delhivery. Right now delhivery not help me to find my parcel no customer services available and not any one is come in my contact after complaints . boat customers care no support no reply on email when I was calling on customer care number is unreachable.
Lost parcel