DTDC Courier & Cargo — package not delivered

Website:

Dtdc .com

I was expecting a courier from uk. It reached mumbai dtdc office and i got a call from them regarding custom duty. I paid the custom duty and completed all the kyc formalities with conformation message from them that it has been dispatched with awb no :[protected].
Its been a month that i havnt recieved my package. Please help me out or refund my money i paid for custom duty.