Answer : 2. "25 January"
Explanation :

National Voters' Day is celebrated every year on 25 January across the country. This day tells the importance of every vote in a democratic society. This day was celebrated for the first time on 25 January 2011 on the occasion of the 61st anniversary of the establishment of the Election Commission. The theme of National Voters' Day in the year 2024 is 'Nothing like voting, I voted for sure'.