India Post — Missing pacel tracking not updated - need urgent assistance

Hi, My international air parcel book on 24 November and last tracking is located at AIR LGBI AP TMO as of 11 December 2021. I filed online complaint with complaint # [protected]. it almost more than a month. no updates form anyone. i have some important family documents and material. I received all earlier parcels but only this is missing. pls check and help to get my parcel on time