Listen to Namaste Sada Vatsale (Sangh Prarthana) | Sigma Rule online. Namaste Sada Vatsale (Sangh Prarthana) | Sigma Rule is a Hindi language song and is sung by Astivaran, Akshay Pandya and Shrylox. Namaste Sada Vatsale (Sangh Prarthana) | Sigma Rule, from the album Namaste Sada Vatsale (Sangh Prarthana) | Sigma Rule, was released in the year 2023. The duration of the song is 3:44. Download Hindi songs online from JioSaavn.