[1][2][3] Sunainaa's rise to fame was by starring with Nakul in Kadhalil Vizhunthen (2008) which was her Tamil début film.

Prior to that, she shot for a short scene in Sivaji (2007), which did not make the final cut.

She later starred in Maasilamani (2009), Vamsam (2010) in which she appeared as a beautiful village girl and did very well, and continued with a performance oriented films where she secured her first Filmfare nomination for Neerparavai (2012).

[4] She has also done Sillu Karupatti (2019), and comedian Yogi Babu’s film titled Trip (2021).

Sunainaa plays the female lead in the action film Laththi (2022) marking her second association with Vishal after Samar.