the sheer size of the country means that voting is staged over several weeks with a final result not announced until the 23rd of may. our south asia correspondent rajini vaidya nathan modern india were built on one basic principle, the right to vote. over the coming weeks, people in every corner of this land will decide on its future. we travelled deep in the himalayas to the district of kinnaur, which borders china, to meet shyam saran negi. at 102, he is india's oldest voter. to him, this election matters more than most. translation: india hasn't progressed enough. to grow, we need unity, and everyone needs equal rights. shyam saran negi's voted in every poll since this country gained independence. but this election sees india at a crossroads. like many other nations, it's facing increasing nationalism and division. some say the very idea of india is at stake. we've come more than 1,000 miles east, from kinnaur to kolkata, from old to young. many wonder if this country's become less tolerant. these first—time voters are part of the country's growing street rap scene. with more than half of india under the age of 25, the voice of the millennial majority matters mo