ELECTRONIC VOTING MACHINE PRESENTATION

1. Election Commission of India
A State-of-the-Art, User Friendly
and Tamper Proof
Electronic Voting Machine
(EVM)

2. Control Unit
Interconnecting Cable
Ballot Unit
Sub-Units of EVM

3. Ballot Unit - Details
Ready Lamp
Slide Switch Window
Candidate’s Button
Candidate’s Lamp
Ballot Paper Screen

4. Ballot Unit - Internal parts
Slide Switch
Candidate’s Button
Masking Tab
Ready Lamp

5. Control Unit
ON Lamp Busy Lamp
Display Section
Candidate Set Section
Result Section
Ballot Section
Ballot Button
Total Button

6. Control Unit - View of Bottom
Compartment
Power Switch
Bottom Compartment
Cover
Connector for
Interconnecting Cable
Connector for
Auxiliary Unit

7. Control Unit - Display Section
4-Digit
Display Panel
ON Lamp
2-Digit
Display Panel
Busy Lamp

8. Control Unit - Candidate Set Section
Provision for
thread seal
Latch
Plug for
power pack
Candidate set
button
Candidate set section
inner door
Candidate set section
outer door
Provision for
Thread seal
Power pack
compartment

9. Control Unit - Result Section
Result I
button
Inner
latches
Frames for
Paper seal
Clear button
Result II
button
Close
button

10. Control Unit - Ballot Section
Total button
Ballot button

11. Polling
• The voter is identified from the voters list and
records his presence by a signature or thumb
impression
• The Presiding Officer presses the “Ballot” button on
the Control Unit permitting one vote
• The voter then proceeds to the polling cubicle and
after perusing the ballot paper on the Ballot Unit,
presses the key against the candidate of his choice

12. Polling
• A red lamp glows indicating to the voter that his vote
has been cast in favour of that candidate
• The casting of the vote results in a beep in the
Control Unit indicating to the Presiding Officer that a
vote has been cast
• He then proceeds to release another vote by
pressing the “Ballot” button and the process
continues

13. Closing
• The cap on the “Close
Button” is removed and
the button pressed
• The cap is then
replaced
• The unit is then
switched “Off” and the
interconnecting cable
disconnected

14. Counting & Results
• The Power pack /
Battery is checked for
health by pressing the
TOTAL Button
• After getting ready to
note down the result,
the green paper seal
over RESULT-1 Button
is pierced and
RESULT-1 Button is
pressed.

15. Counting & Results
• The “RESULT-1” button is pressed to display the
results
• The results are then noted.

16. CAND. SET
CLEAR
BALLOT
RESULT-1
SEQUENCE OF OPERATION OF BUTTONS
ELECTRONIC VOTING MACHINE
CLOSE

17. Thank You