When was the voting age reduced to 18 in India?

The correct answer is Option 4 - In 1989

The minimum voting age in India was initially set at 21 years when the country gained independence in 1947. However, recognizing the need to empower younger citizens and promote their active participation in the democratic process, the minimum voting age was lowered to 18 years through the 61st Amendment Act of 1988.However, it came into effect in 1989.