Born on May 4, 1985, in Chennai, Tamil Nadu, Trisha began her career as a model at a young age. She made her acting debut in 1999 with the Tamil film "Jodi No. 1," but it was her breakthrough role in the 2003 film "Pithamagan" that catapulted her to fame. Her performance in the film earned her critical acclaim and recognition, paving the way for a successful career in the film industry.