Biography Vennira Aadai Nirmala is a Tamil actress. Debuting through C. V. Sridhar's Vennira Aadai in 1965, she has appeared in over 200 films in Tamil. She has acted in around 50 films in Malayalam with the screen name Usha Kumari. In addition to her acting career, Nirmala is a trained Bharatanatyam dancer