There was also a touching opening prayer from former convict, Pastor Philip Vaki, and the master of ceremony Ben Theodore, who is visually impaired.
The bi- monthly meeting is held in Port Moresby.
Chief Secretary Isaac Lupari, when making his speech, said they all inspire him.
He challenged the departmental heads to include people living with disabilities in their policies, to cater to their needs.
Lupari urged the senior public servants to better coordinate and communicate to improve its service delivery.