Sona Nair is a film actress working mainly in Malayalam movies. She is also known for her roles in TV serials. Thooval Kottaram was her first movie in Malayalam. In this movie, she played a character named Hema. After this, she appeared in films such as Kadhanayakan, Veendum Chila Veettukaryangal, Arayannangalude Veedu, Manassinakkare, Naran, Passenger and more. Sona also acted in Priyadarshan's Bollywood comedy film Malamaal Weekly in 2006. She also acted in two Malayalam portmanteau films, Naalu Pennungal and Kerala Cafe (in the segment "Makal"). In 2004, Sona has received the Best Actress Award in the "Kaveri Film Critics Television Awards" for her role in a telefilm Rachiyamma, telecasted on Doordarshan.She has been chosen as the Best Female Actor in television category of Sathyan Memorial Awards, 2008. In 2006, she won the Best Supporting Actress award in both Kerala State TV Awards and telefilms category of Sathyan Memorial Awards, for her role in Amrita TV's Samasya. Sona was nominated for the Filmfare Award for Best Supporting Actress in 57th Filmfare Awards (South) for her role in the Malayalam movie Passenger.