Director Shankar is in hunt for a heroine for his next biggest project ‘Robot’. The latest buzz is that Shankar has approached Aishwarya Rai Bachchan to act in the film. The sources close to the director say that Shankar went to Mumbai in the first week of January and met Aishwarya Rai. He discussed the script and the character of the heroine in the film to Aishwarya. The actress has gone...