Amitbah Bachchan work with producer Romesh Sharma twice, in 'Hum' and 'Aetbaar'. The both was hit and now Big B is lending a hand to Romesh's son Karan Sharma for his debut film 'Dil Jo Bhi Kahey'. He is playing an imporant role in it. The film is edit by Shimit Amin, music by Shankar, Ehsaan and Loy and lyrics by Javed Akhtar.