Giant killers Aizawl Football Club face heavyweights Mohun Bagan in the summit clash of the Federation Cup in Guwahati today.Aizawl began as underdogs but went on to become giantkillers as they beat I-League champions Bengaluru FC 5-3 on aggregate in the quarterfinals before getting the better of Sporting Clube de Goa in the semifinals.And now they would hope to create history at the Indira Gandhi Athletic Stadium today. The Northeast side have been playing for the first time in the tournament.