Academy award winner A R Rahman has been roped in to score music for a malayalam flick with ace actor Mammotty in the lead. The flick will be directed by veteran mollywood director Jayaraj. Rahman has not composed for a mollywood flick ever since his hit 'Yodha' starring Mohanlal. The flick will be a bilingual in Hindi, Tamil and Malayalam. Mammotty will be seen doning his ever green detective role in the flick. He will act as an investigative officer in charge of enquiring into the death of a young musician in Mumbai. The shoooting of the flick will go on floors by the third week of october. It is expected to hit the screens by the end of december.