VVPATs
No, you can't tamper with them: ECI opens hackathon challenge on June 3
Through this challenge ECI will restore and enhance faith and confidence of voters in the EVM voting system, Zaidi said.
EC to hold 'live demo' of EVMs, VVPATs tomorrow
EC had said it would offer an 'opportunity' to political parties to prove that EVMs used in the recent Assembly polls were tampered with
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