When she was in school, she took part in a fashion show. Group photos were taken during the show and a photo was chosen to be the cover of a popular Tamil magazine. This happened to be her photo, which was seen by the director Bharathi Rajaa, who, at that time was on the lookout for a new heroine for his latest venture. She is a well-known, highly acclaimed film actress with over 16 years of experience in the entertainment industry. Revathi was born as Asha Kelunni in Kochi, Kerala.