Economist turned director, Srijit Mukherji's upcoming film 'Hemlock Society' is yet to be release, but he has already started pre-production of his fourth film 'Kakababu'. It's reported that his favourite hero Prasenjit Chatterjee will play the lead. Added to this it is said that due to Prasenjit's prior commitment to other films, Kakababu's shooting is delayed. Sources also reveals, some portions of the film are to be shooted at the African country, Egypt. This will be Srijit's first film where some portions of the film will be shooted abroad. It seems Srijit is going globalised.