In digital media distribution, "UPD" often stands for "Updated." This usually implies that a previous file or upload was low quality, broken, or incomplete, and a newer, higher-definition version (such as a 1080p web rip or Blu-ray rip) has been made available.
If you are interested in downloading the movie, I can help you understand the different file formats listed in the Internet Archive download options to ensure you get the best quality. Internet Archive chak de india upd full movie internet archive