No. Zee Tamil has not officially released a BGM album for this serial. All tracks available online are fan-edited or extracted.
Many fan clubs share 30-second to 1-minute BGM clips on Telegram channels dedicated to Zee Tamil serials. Nenjam Pesuthe Serial Bgm Ringtones Download
: Channels like ST Tamilserials host curated playlists of BGM snippets, including flute and dialogue versions. How to Set Your BGM Ringtone Nenjam Pesuthe Serial Bgm Ringtones Download