Actress-director Revathi, who keeps herself busy with her southern projects, will reportedly be seen in "2 States".
A screen adaptation of Chetan Bhagat's bestseller, "2 States" is about a Punjabi boy who falls in love with a Tamil girl, which causes a regional-culture clash. Alia has been paired with Arjun Kapoor in the film.
A source close to the actress said: "She will be seen in a prominent role in '2 States' and one schedule has already been shot. She is quite happy with the project."
The film is being directed by Abhishek Verman and co-produced by Karan Johar and Sajid Nadiadwala under their respective banners Dharma Productions and Nadiadwala Grandson Entertainment.
Seen in Hindi movies "Love" and "Raat", Revathy is reportedly playing Alia's Tamilian mother.
The 47-year-old had also directed critically acclaimed Hindi movie "Phir Milenge" with Shilpa Shetty, Salman Khan and Abhishek Bachchan in the lead roles.