NEWDELHI, April 20 -- The first time Sitara Jain, a 106 -year- old resident of Shahdara, voted was in India's first general election following Independence. And five years ago, she managed to walk to the polling station to vote in the 16th general election. This time, she will get picked up and dropped back if the office of Delhi's chief electoral officer keeps a promise to arrange transport for all centenarians on polling day, May 12....