Naresh Iyer has rendered 2000 film songs in several Indian languages and has several chart hits to his credit.

His rendition of "Roobaroo" from the movie Rang De Basanti composed by A. R. Rahman topped the music charts for many weeks in 2006 and won him the National Film Award for Best Male Playback Singer.

[1] Naresh was spotted by composer A. R. Rahman in a reality talent show, Channel V's Super Singer.

Though he did not win the show, Naresh was later contacted by A. R. Rahman and made his debut with the song "Mayilirage" from Anbe Aaruyire.

[5] The same year he also won the National Award for Best Playback Singer(Male) for his rendition of "Rubaroo" from the movie "Rang De Basanti".