She made her acting debut in the low budget horror flick Sivi (2007) and became noted for her performances in Ninaithale Inikkum (2009) and Unnaipol Oruvan (2009).
[4] In 2009, she appeared in the Prithviraj Starrer college drama Ninaithale Inikkum, a remake of the 2006 Malayalam film Classmates.
Anuja played the character of a reserved Muslim college student Shalini who attempts to take revenge on the murderer of her lover.
Later that year, she starred in Unnaipol Oruvan and its Telugu version Eeenadu alongside veteran actors Mohanlal, Kamal Haasan and Venkatesh.
In 2013, Anuja hosted season 2 of Raj TV's Carnatic music reality-talent show, Tanishq Swarna Sangeetham.