He primarily played comedic characters, mostly in minor roles in films directed by K. Bhagyaraj.
His most notable movies include Suvarilladha Chiththirangal, Oru Kai Osai, Andha 7 Naatkal, Mouna Geethangal, Indru Poi Naalai Vaa, and Enga Ooru Pattukaran.
When Bhagyaraj became acquainted with Singaram he was impressed by his expressive features, acting style, and body language.
At this point, Singaram had already had a minor role in Motor Sundaram Pillai, a movie released in 1966.
[3] Kallapetti Singaram died during the filming of his last movie, Kizhakku Vasal, on 15 April 1990 at the age of 52.