Ever since Salute, the biopic on astronaut Rakesh Sharma was announced over a year ago, it has faced its share of casting woes. The latest on the front is that Rani Mukerji is being approached for the Shah Rukh Khan-starrer.

Initially, when Aamir Khan was on board, Priyanka Chopra was slated to feature in the film. After SRK came on the scene, names of Kareena Kapoor Khan and Bhumi Pednekar did the rounds. As the makers Siddharth Roy Kapur and Mahesh Mathai prefer to be tightlipped about the project, there are speculations galore.