Even when she was at school, Manju showed extra ordinary talent in dance, and won many awards. She was conferred Kalathilakam in Kerala Youth Festival for 2 years. At the age of 17, she debut in the film Sakshyam (1995). Later at the age of 18, she acted in the movie Sallapam (1996), co-starring actor Dileep, whom she later married. Since then, she acted in around 20 Malayalam movies over a span of three years. She has won numerous awards. She married actor Dileep. After her marriage with Dileep, she retired from the film industry.