The actress entered the film industry through a Malayalam film and her first Tamil film was Thotta Chinungi. She had starred with almost all the leading heroes in the film industry including Kamal Hassan, Vijay, Surya, etc.
The actress has won several prestigious awards for her performance on-screen. Devyani settled for marital bliss with director Rajakuamran when she was in the peak of her career. After marriage, the actress opted for the small screen as it offers the scope to act and concentrate in family life.