But now comes another buzz that apparently Aishwarya Rai Bachchan was approached initially. 

Vidya Balan

Ash did not get back to the filmmaker so they have been shopping for another star.

Aishwarya Rai Bachchan

From the looks of it we think Vids would physically match the veteran classical singer more than Ash! As the junior Missus B is so busy looking after tot Aaradhya she does not attend to her cell. At this rate it will cost her some projects. Ouch!