Karthi is all set to team up with director Venkat Prabhu for Biryani, a romantic comedy entertainer in Tamil and Telugu. Gnanavel Raja of Studio Green is the producer. Now the latest is that the director has approached Cocktail hottie Diana Penty to play a prominent role. Interestingly Mayakkam Enna actress Richa Gangopadhyay plays the leading lady. If everything goes well, the project will hit the floors in August. The film has music by Yuvanshankar Raja and camera by Sakthi Saravanan.