Central Police Commander Laimo Asi informed PNG Loop that four charges were laid separately on the two.
The two men, Chris Sai, 17 from Maraba and Poksi Jacob, 19 from Efogi, since being flown into Port Moresby on Friday January 15 had been held for questioning by Central police.
However, Asi says that by 4pm Wednesday January 20, investigators laid formal charges against the two.
The duo have been charged with rape or sexual penetration, abduction, armed robbery and wounding.