Unofficial copies are often "cam-prints" or low-bitrate rips that don't do justice to the film's vibrant cinematography.
In the early days of digital streaming, many viewers preferred downloading movies in a single file (single part) to avoid the hassle of multi-part split files. While this was once a common way to consume media, the landscape has changed drastically with the rise of high-speed internet and official streaming platforms.
As the primary rights holder for many classic Tamil films, Sun NXT offers the movie in "single part" streaming format with high-quality audio and subtitles.