Often described as a master strategist, Amit Shah has been unanimously re-elected president of the BJP for a second straight term. Seen as a close confidante of PM Modi, Mr Shah's re-election sets the stage for a number of major decisions by the party and the government including a cabinet reshuffle. But many challenges lie ahead for the re-elected BJP chief including crucial elections in five states. While the rest of the party put up a united front, BJP veterans LK Advani and Murli Manohar Joshi skipped the event.