"PNG National Party is the only genuine alternative party to form the next government," parliamentary leader Kerenga Kua said.
Kua was speaking at the PNG National Party convention currently held in Port Moresby.
He said 700 expression of interest was received from intending candidates wanting to contest for the 111 seats in the National Parliament.
Kua said the final 54 candidates were chosen after a comprehensive survey which started last year.
He also revealed that the advice from academics and political experts were taken before coming up with the final list.
Kua said PNG National Party is a party of integrity and honesty compared to many other parties in the Opposition and Government.