Where was EVM first used in India?

EVMs were used for the first time in Kerala in 50 booths of the Paravur Assembly constituency in Ernakulam in 1982. In 1992, Parliament inserted Section 61A in the Act and rules validating the use of the EVM and paving way for their use in elections. The EC started using EVMs widely since 1998.

Further Reading:

• Electronic Voting Machines (EVM)
• Indian Polity Notes For UPSC