Saans is a beautiful hindi song from 2012 bollywood film Jab Tak Hai Jaan. This song is composed by A. R. Rahman. Mohit Chauhan and Shreya Ghoshal has sung this song. And of course lyrics for which you are looking is written by Gulzar. We also have 'Saans Video' for you.
Song : Saans
Film : Jab Tak Hai Jaan
Singer : Mohit Chauhan, Shreya Ghoshal
Music : A. R. Rahman
Lyricist : Gulzar