Hundreds of millions of Indians are going to the polls over six weeks to vote for their next government. The Guardian’s south Asia correspondent, Michael Safi, heads out on the trail as the prime minister, Narendra Modi, makes a national security case for re-election amid criticism over his handling of the economy. Plus: John Crace on what he learnt from attending a Nigel Farage rally. Help support our independent journalism at theguardian.com/infocus