Kitne Bhi Tu Kar Le Sitam - Sanam Teri Qasam is a beautiful hindi song from 1982 bollywood film Sanam Teri Kasam. This song is composed by R. D. Burman. Asha Bhosle and Kishore Kumar has sung this song. And of course lyrics for which you are looking is written by Gulshan Bawra.
Song : Kitne Bhi Tu Kar Le Sitam - Sanam Teri Qasam
Film : Sanam Teri Kasam
Singer : Asha Bhosle, Kishore Kumar
Music : R. D. Burman
Lyricist : Gulshan Bawra