India Post — documents not delivered by postman since 10/04/2018

Address:

West Tripura, Tripura, 799102

Sir, my self Sudip Roy, residing at kalamchoura.my tracking I'd was--EA[protected]IN.i was tracked the parcel since 10 th April 2018 and frequently asked postmaster about my parcel expected delivery date but he was misbehaving with me and my father he said that parcel has not arrived to him .I was asked post master of Bishalgarh post office and he was said that the parcel send to my address on 10/04/18 but he did not delivered my parcel till today, so what should I do sir ..it was very important parcel for me