I know there are a lot of people working in other cities, away from their home town, and probably these are the ones who do not vote for not being registered.
Here is something for all those who fall in this category:
https://jaagore.com/faq_movetonewcity.html
Visit: https://jaagore.com for many such useful information. Make your vote count and don't be ashamed when someone asks you - did you vote?
Also if you do not posses a Electors Photo Identity Card, the Election Commission encourages you to use 13 other alternative Identity Cards to vote?
Be aware of your constituency, booth locations, contesting candidates in your constituency, know about them and their past experiences and criminal records and choose to vote responsibly and the right candidate. Visit https://google.co.in/loksabha2009 become knowledgeable and make the right choice, take time, and initiate to bring about the change you seek.
https://ceokarnataka.kar.nic.in/indexw.asp : Chief Electoral Officer website, quite useful.
In democracy, If we prefer to be ruled over, we must choose who our rulers are - exercise your right; be informed, vote responsibly.
Voters' List Helpline: 22228888
