Dr Nuing Jeluing and Datuk Paul Igai were sworn in after being reappointed for the second term by the Sarawak State Legislative Assembly and Yang di-Pertuan Agong, respectively.
Datuk Guan Dee Koh Hoi, who is the Homeland Solidarity Party secretary-general, on the other hand, was appointed for the first time by the Yang di-Pertuan Agong.
The appointment of Mohamad Ali is to replace Datuk Seri Abdul Halim Abd Samad whose tenure expired on Nov 22.
Guan Dee died at the Kuala Lumpur Hospital at 4.
Guan Dee dilantik sebagai Timbalan Menteri Pelancongan, Seni dan Budaya dalam kerajaan Perikatan Nasional di bawah pimpinan bekas Perdana Menteri, Muhyiddin Yassin.
In reply, the Dewan Negara president Tan Sri Dr Rais Yatim said the same issue was brought up during his nomination as the Senate president at the last sitting.