Filmmaker Karan Johar has started shooting for his segment in Bombay Talkies, a bouquet of four stories directed by four different directors. Johar's segment stars Rani Mukerji, Randeep Hooda and Saqib Saleem and he has chosen real location in Mumbai to shoot his part. Zoya Akhtar, Dibakar Banerjee and Anurag Kashyap are also contributing to Bombay Talkies, an ode to 100 years of the Indian film industry. It will come out May 3.