1. iTunes: You can purchase and download the songs individually or as a complete album from the iTunes Store.
2. Spotify: Stream and download the songs from "Eera Vizhi Kaaviyangal" with a Spotify subscription.
3. Amazon Music: Purchase and download the songs or listen to them with an Amazon Music subscription.
4. Wynk Music: Download the songs from the movie on the Wynk Music app or listen to them online.
5. JioSaavn: Stream and download the songs from "Eera Vizhi Kaaviyangal" on the JioSaavn app.
It's essential to note that the availability of songs for download may vary based on your location and the specific music streaming services or platforms you use.