Listen to Kehna Hi Kya - Unwind Version online. Kehna Hi Kya - Unwind Version is a Hindi language song and is sung by Hamsika Iyer and A.R. Rahman. Kehna Hi Kya - Unwind Version, from the album Bollywood Unwind - Romantic Classics in a Relaxing Urban Avatar, was released in the year 2015. The duration of the song is 5:13. Download Hindi songs online from JioSaavn.