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 Humse Hai Muqabala & A.R. Rahman's All Time Hits, was released in the year 2016. The duration of the song is 7:05. Download Hindi songs online from JioSaavn.