Trisha completed her schooling at Heart Matriculation School in Church Park, Chennai.
Trisha completed her Bachelor of Business Administration (BBA) from Ethiraj College for Women.
Trisha wanted to become a criminal psychologist but she opted for an acting career.
Trisha first appeared in Falguni Pathak's music album Meri Chunar Udd Udd Jaye as Ayesha Takia's friend.
Trisha debuted in a minor supporting role as Simran's friend in the romantic drama Jodi (1999).
Trisha's first film role is Lesa Lesa which is directed by Priyadarshan. Trisha made her Bollywood debut in Akshay Kumar starrer Khatta Meetha in 2010.
Trisha wins many awards such as the Filmfare award for best actress and other Best Actress awards at the SIIMA Awards.
Trisha is now seen in Ponniyin Selvan 2 which is now available in theaters in various languages. Her character Kundavai Mani Ratnam, advises Trisha to follow a real-life politician.