Listen to Sewak Kau Sewa Ban Aai online. Sewak Kau Sewa Ban Aai is a Punjabi language song and is sung by Bhai Palwinder Singh Ji and Joy-Atul. Sewak Kau Sewa Ban Aai, from the album Teri Sewa, was released in the year 2010. The duration of the song is 10:33. Download Punjabi songs online from JioSaavn.