Listen to Khai Hai Kasam online. Khai Hai Kasam is a Hindi language song and is sung by Sajid-Wajid, Kumar Sanu and Kavita Krishnamurthy. Khai Hai Kasam, from the album Tum Dil Ki Dhadkan Mein - Bollywood Romantic Songs, was released in the year 2013. The duration of the song is 5:19. Download Hindi songs online from JioSaavn.