About 250 lawmakers sworn in, while the opposition calls for a strike to protest against disputed election results.
The far-right party’s candidate for chancellor, Alice Weidel, tries to woo voters with her extreme views.
Electoral body says President Deby’s party secured 124 of 188 National Assembly seats in vote boycotted by opposition.
Zoran Milanovic, a NATO critic, comfortably wins re-election, securing 74 percent of the vote.