The high-tech fortress: how India's voting machines defy the internet
In short: In a nation of over 900 million voters, paper ballots were once a logistical nightmare prone to fraud. Today, India uses standalone Electronic Voting Machines (EVMs). These devices are designed with a radical constraint: they have no wireless or wired components, making them physically impossible to hack remotely.
The transition from paper to electronic voting was driven by the need to eliminate 'booth capturing' and the use of pre-filled fake ballots, which were significant issues between the 1950s and 1980s. Developed by state-owned Electronics Corporation of India (ECIL) and Bharat Electronics (BEL), EVMs were first trialed in 1982. However, a Supreme Court ruling initially declared their use unconstitutional because it wasn't explicitly permitted by law at the time. It took an amendment to the Representation of the People Act in 1988 and subsequent rule changes in 1992 to pave the way for nationwide adoption, which finally occurred across all 543 Parliamentary Constituencies in 2004.
The architecture of an EVM is defined by isolation. Each machine consists of a control unit and a ballot unit connected by a physical cable. To prevent tampering via power lines or external signals, the units run on 7.5 volt batteries. The machines use 'write once read many' memory, meaning the pre-programmed software cannot be altered after manufacturing. Furthermore, to prevent localized favoritism based on specific polling station results, a 'totaliser' was developed in 2008 to aggregate and display only overall results rather than individual machine counts.
Transparency is maintained through multi-layered protocols. Before elections, machines undergo sample trials where polling agents witness test votes being entered and matched. During the vote, a Voter-Verified Paper Audit Trail (VVPAT) prints a serial number and vote data for the voter to see. Following a 2019 Supreme Court directive, a small percentage—exactly 2%—of these paper slips are verified against the electronic count before results are certified. These machines are tracked in real-time by the Election Commission of India and distributed randomly to polling booths to ensure no specific machine can be targeted beforehand.
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- Summary by Intellect · source: Electronic voting in India
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