Since her debut in the Tamil film, Karka Kasadara (2005), Rai has appeared in many successful feature films.
Rai's most notable works in Malayalam-language films have been in Annan Thambi (2008), Harihar Nagar (2009), Chattambinadu (2009), Evidam Swargamanu (2009) and Oru Marubhoomikkadha (2011), thus establishing herself in the Malayalam film industry.