Through a talent hunt contest for the new face, Diti engaged herself with the country’s film industry. Diti made her acting debut in 1984 with the film titled ‘Dak Diye Jai’ directed by Udayan Chowdhury. But very unfortunately, the film was not released for some reasons. However, Ajmal Huda-directed ‘Ami-e Ustad’ was her first film released in cinemas. Actor Ujjal was seen playing the role of her elder brother in the film. Subsequently, she acted over 200 films in her career.
Diti acted in the role of the wife of actor Alamgir in the film ‘Swami-Stri’ directed by Subhash Dutta, which earned her the National Film Award in 1986.
Diti-starrer notable films are ‘Dui Jibon’, ‘Bhai Bondhu’, ‘Kathin Protishodh’, ‘Sneher Pratidan’, ‘Ajker Hangama’, ‘Kalia’, ‘Charam Aghat’, ‘Mukti’, ‘Char Satiner Ghar’, ‘Lady Inspector’, ‘Shesh Opahar’, ‘Hira Moti’, among others. Diti also acted in Indo-Bangla joint venture film titled ‘Priyo Shatru’ opposite of celebrated Indian actor Prosenjit.
Diti was diagnosed with brain cancer on 25 July in 2015 and was treated in Chennai, India. She died on 20 March in 2016 at a hospital in Dhaka.