Martins and deputy ministers Sindisiwe Chikunga, Mduduzi Manana and Gratitude Magwanishe will be sworn into their portfolios of transport, higher education and public enterprises respectively.
Ministers and deputy ministers who were taking up new portfolios did not have to be sworn in. They would however sign a reaffirmation of the oath of office.
President Jacob Zuma announced a Cabinet reshuffle on Tuesday.
The Cabinet reshuffle saw Transport Minister Sibusiso Ndebele being moved to the correctional services portfolio. He was replaced by Martins the former public enterprises deputy minister.
Former defence minister Lindiwe Sisulu would now run public service and administration, replacing Roy Padayachie who died last month.
Sisulu was succeeded by Correctional Services Minister Nosiviwe Mapisa-Nqakula.
Zuma then also appointed several deputy ministers.
Chikunga was appointed to the transport department whilst Magwanishe would be the new public enterprises deputy minister.
Jeremy Cronin would be the new public works deputy minister, Hlengiwe Mkhize deputy minister for economic development, and Manana the new deputy minister for higher education.
New police chief appointed
President Jacob Zuma on Tuesday appointed Mangwashi Victoria Phiyega as the new national police commissioner.
Phiyega, who is currently the chairperson of the presidential review committee on state owned enterprises and the deputy chairperson of the independent commission on the remuneration of office bearers, takes over from acting police commissioner Nhlanhla Mkhwanazi.
Mkhwanazi had held the role while former police boss Bheki Cele was suspended. Cele was fired by Zuma on Tuesday.
Source: SAPA