After playing an ISRO scientist in Mission Mangal, Vidya Balan is all set to portray the mathematics genius Shakuntala Devi, who was also referred to as the Human Computer. On Saturday, Vidya Balan unveiled fresh promo and posters of the upcoming biopic. 

The poster unveils the Human Computer’s equation with mathematics as she prepares to win over the world with her skills while donning a saree and two chotis. Sharing the poster, Vidya wrote, "Be a part of Shakuntala Devi’s world in 126 hours! (sic)". Check out the poster here: