During her school days, Sonia Agarwal got an offer to act in a serial in Zee TV.
Her entry to movies was through a Telugu film named "Nee premake", in which she did a small cameo role, after which she acted in a Kannada film "Chandu" opposite Sudeep.
Subsequently, she stepped into the Tamil film industry, appearing in the drama film "Kaadhal Kondein", directed by Selvaraghavan, whom she would marry later. Acting opposite Selvaraghavan's brother Dhanush, the film became a huge success and she was widely appreciated for her performance as Divya in the film, which brought her to limelight and fetched her several awards, including the ITFA Best New Actress Award.Afterwards, she acted alongside popular actors Silambarasan and Vijay in the films Kovil and Madhurey, respectively. In 2004, the controversial Tamil drama film "7G Rainbow Colony", directed by Selvaraghavan again, got released, which went on to become successful at the box office.
