 On 4 February 2018, he rejoined the PML(N) and spoke very high of Nawaz's services to the country.In 2018, he was elected as the Pakistan Senator from Federally Administrated Triabal Areas on the platform of PML(N) after participating in the senator elections held in March 2018.On 1 October 2009, Hussain founded the Pakistan China Institute to promote the bilateral relations with China.