In 1967 Lok Sabha polls , East Delhi, former Outer Delhi and Karol Bagh seats polled more invalid votes, more than difference between winner and runner up In EVMs no invalid votes get registered unlike voting through ballot papers. EVMs first used in 1998 Delhi assembly polls in former CM Shiela Dixit’s Gole Market seat on a trial basis, besides 5 other places, no invalid … [Read more...] about The journey from paper ballots to EVMs