Born on June 6, 1975, in Chennai, Tamil Nadu, Ranjitha began her acting career as a child artist in the 1980s. She made her debut as a lead actress in the 1990s and quickly gained recognition for her performances in films like "Papanasam" (1993) and "Gnanapazham" (1996). Over the years, she has worked in a wide range of films, including drama, comedy, romance, and action genres.