Such a challenge could be a huge disaster for the EC of India Can a single EVM be hacked? when its not connected to internet - With sophisticated tech (and eng

Such a challenge could be a huge disaster for the EC of India Can a single EVM be hacked? when its not connected to internet - With sophisticated tech (and engineers) - Yes. Its digital electronics after all Can that be done consistently across machines under different ambient environments? - Higher than 50% accuracy, but not 100%. Can it be done at scale? No - that would be too costly even for the political parties with a higher probability of it becoming a widely known technique But the answer to the first question is enough for the opposition political parties to force India into paper ballot voting. And paper ballot in India is easily hackable for political parties - just spend money, hire bullies and prevention is ensured not to work at this scale.