Listen to Mantra For Prosperity, Long Life And Knowledge online. Mantra For Prosperity, Long Life And Knowledge is a Sanskrit language song and is sung by Vijay Prakesh and Bela Shende. Mantra For Prosperity, Long Life And Knowledge, from the album Mantras For Happy Marriage, was released in the year 2008. The duration of the song is 4:16. Download Sanskrit songs online from JioSaavn.