In one famous interview on the BBC in 1950 (recreated in the biopic), her answer to a mathematical question was deemed incorrect, before the host later acknowledged that in fact, the computer's answer was wrong and Devi was right.

How true is Shakuntala Devi movie?

The film begins with a disclaimer which states that it is not a biography or documentary on Shakuntala Devi, but rather, this is a narrative based on a 'true story' as seen through the eyes of a daughter, that is, Shakuntala Devi's daughter Anupama Banerji.

Has anyone defeated Shakuntala Devi?

After winning a gold medal at the Mint Sports Olympiad held in London, Neelakanta Bhanu Prakash becomes the fastest human calculator, breaking Shakuntala Devi's record.