Poirot, a man of order, struggles but finally accepts that sometimes the legal system fails. He lets the killers go free.
The Tamil version of the film is noted for maintaining the "royal" and "luxurious" atmosphere of the original. Murder on the Orient Express: Themes | SparkNotes Murder On The Orient Express English Tamil Dubbed Movie
This is the primary platform for watching the film in India, listed as Murder On the Orient Express - JioHotstar Rent or Buy: The film is widely available to rent or buy in UHD/4K on Amazon Video Apple TV Store Physical Media: Report: Murder on the Orient Express – English