evidence: A single ballot unit can list a maximum of 16 candidates and as a part of the initial design, up to four ballot units could be connected in parallel to a single control unit to cater to a maximum of 64 candidates. After an upgrade in 2013, 24 ballot units can now be connected to a single unit so that it can cater to a maximum of 384 candidates.[9][36][37] A single machine can record a maximum of 2000 votes.[38] The devices were designed to prevent fraud by limiting the number of new votes can be entered into the machine in a given time frame. In a minute, the EVMs can register a maximum of five votes.[2][5] The later version of the EVMs are all equipped with VVPAT capability.[39] VVPAT system which was an upgrade of the EVMs had modified software that allowed a printer to be attached to the machine.[40] In June 2018, a built-in-hood was added to protect the printer and other devices from excess light and heat in VVPAT systems.[41] [...] - ^ a b c d e Shukla, Alok (2018). EVM Electronic Voting Machines. Leadstart. pp. 70–73. ISBN 978-9-35201-122-3. Archived from the original on 6 August 2024. Retrieved 22 May 2019. [...] - ^ "Electronic Voting Machine". Bharat Electronics Limited. Archived from the original on 26 May 2024. Retrieved 1 June 2024.