Deepak Devraj Komath, better known as Deepak Dev, is an Indian music composer, best known for his compositions in Malayalam cinema. He started his career in the film Industry through the movie Chronic Bachelor (2003) directed by Siddique. Deepak is also a former member of the Kochi based Indian rock band Motherjane.

Chronic Bachelor is a 2003 Indian Malayalam-language romantic comedy drama film, written and directed by Siddique. It is about the life of Sathyaprathapan, a bachelor. It features Mammootty, Mukesh, Rambha, Indraja, Bhavana, Innocent and Biju Menon. Jyothika was signed as the lead actress but later was replaced by Rambha. The movie was produced by Fazil. The film was a commercial success. It was later remade in Tamil as Engal Anna starring Vijayakanth and in Telugu as Kushi Kushiga with Jagapati Babu.