Four years after President Joko Widodo announced plans for a new capital, a site spanning nearly 260,000 hectares named Nusantara, construction is picking up pace in its central area.

The commission will argue against a court decision that has reignited debate over extending President Joko Widodo's time in office, which is limited to two five-year terms by the constitution and should end next year.

The country is preparing to move its capital from overcrowded Jakarta to Nusantara, in a megaproject that has come under criticism from environmentalists who warn it could damage ecosystems in the region.