How Does An Electronic Voting Machine (EVM) Work?

Prime Minister Narendra Modi is travelling in Bihar to address a dozen election rallies from October 20, ahead of the state’s assembly polls which are to being from October 28. The state election will be held in 3 phases. The first phase will be on October 28, followed by the second phase on November 3 & third on November 7. But, have you ever wondered how a voter casts their vote? What machines are used for this purpose? How does an Electronic Voting Machine (EVM) work? What are the functions of a Voter Verified Paper Audit Trail (VVPAT)? Can someone hack into an EVM? Do they need electricity to function? ET NOW's Sunayana Biswas finds out. Watch!