Listen to Kay Sera Sera (From "Pukar") online. Kay Sera Sera (From "Pukar") is a Hindi language song and is sung by Shankar Mahadevan and Kavita Krishnamurthy. Kay Sera Sera (From "Pukar"), from the album A.R. Rahman Forever, was released in the year 2016. The duration of the song is 7:05. Download Hindi songs online from JioSaavn.