Sukhwinder Singh
One of his most famous songs is "Chaiyya Chaiyya" from Mani Ratnam's 1998 film "Dil Se . . " , was composed by A . R . Rahman , written by Gulzar , and sung in duet with Sapna Awasthi . 
<triplet> Chaiyya Chaiyya <subj> Dil Se.. <obj> part of <subj> A. R. Rahman <obj> composer <subj> Gulzar <obj> lyrics by <triplet> Dil Se.. <subj> A. R. Rahman <obj> composer