He is the younger brother of singer Manhar Udhas and has done playback work on many bollywood films since the early 1970's, but his claim to fame was in the film Naam (1986) in which he did playback for 'Chithi Aai Hai' and made him a household name. Pankaj has done many other albums outside of the film industry, doing Ghazal compilations and Live shows around the world. He has even toured with his brother Manhar and many other Ghazal singers.