Correct option is C
Given: Pen : Writing :: Evm : ?
Let's explain all the options:
A. Politician
A politician is a person involved in politics, not directly related to the function of the EVM.
Incorrect.
B. VVPAT
VVPAT (Voter Verified Paper Audit Trail) is related to EVM in the voting process, but it is a specific component, not the direct function of the EVM.
Incorrect.
C. Voting
The EVM (Electronic Voting Machine) is used for voting, which is the direct function it serves, just as a pen is used for writing.
Correct answer.
D. Voter
A voter is the person who uses the EVM, but the question asks for the function, not the person.
Incorrect.
Thus, the correct answer is (c) Voting.