Watch Video: Here's how Shakuntala Devi got her nick name 'Human computer'

The upcoming biopic of Shakuntala Devi, directed by Anu Menon has been the talk of the town ever since its inception. Giving us insights into her life, Vidya Balan will be seen essaying the role of Shakuntala and her magic will yet again leave us amazed. Sanya Malhotra essays the role of Anupama Banerjee, Shakuntala's daughter....