1. Early TV Appearance – Before entering films, Sonia was offered a role in a Zee TV serial during her school days.

2. Punjabi Roots – Despite her success in Tamil cinema, Sonia hails from a Punjabi family and was born in Chandigarh, India.

3. Debut in Telugu & Kannada – Her first film was Nee Premakai (2002) in Telugu, followed by Chandu opposite Sudeep in Kannada.

4. Breakthrough with Selvaraghavan – She gained fame with Kaadhal Kondein (2003), directed by Selvaraghavan, whom she later married.

5. Marriage & Hiatus – Sonia married Selvaraghavan in 2006 and took a break from acting until their divorce in 2010.

6. Comeback with Vaanam – After her divorce, she returned to films with a supporting role in Vaanam (2011), followed by multiple projects.

7. Malayalam Film Debut – She made her Malayalam debut with Grihanathan (2012), starring Mukesh.

8. Television Career – Sonia starred in Tamil TV serials, including Malli (2013-2014) and Pandavar Illam (2019).

9. Reality Show Appearance – In 2024, she participated in the comedy-cooking show Top Cooku Dupe Cooku but was eliminated in episode 5.

10. Recent Projects – Sonia continues to act in films like Grandma (2022), Unnaal Ennaal (2023), and 7/G (2024)