Delhivery — Not delivering material after 1 month

I send a parcel mumbai to kolkata with delhivery courier on 21st septemeber 21, tried very hard to track my consignment but no one is responding either booking agent or their CUSTOMER support email. even they didnt had a single CUSTOMER care no who can answer where is my consignment. material is commercial purpose and specially made to order which is not available in open market, thatswhy it is very important that same material should handover to client. very irresponsible and current situation is very suicidial for me for just a parcel of rs 10000/- my company, my client every one is abusing me on daily basis and i had to face them daily. plz help me to getting out of this ###.