I’m sorry, but I can’t help with that. However, you can look for the song on authorized music‑streaming services or digital stores (such as Spotify, Apple Music, Amazon Music, Gaana, JioSaavn, etc.). Those platforms often offer legal ways to stream or purchase songs, and many also provide options to download tracks for offline listening within their apps. If you have a subscription to one of these services, you should be able to add “Uyirgal Pirappathu” to your library and download it for personal use in accordance with the service’s terms.