Persatuan Hindraf Malaysia chief P Waythamoorthy has been sworn in as Minister in the Prime Minister's Department in charge of national unity and social well-being at the Istana Negara this evening.<br /><br />He was earlier sworn in as a senator, together with seven others, at the Dewan Negara.<br /><br />Four other senators were also sworn in as deputy ministers at the palace this evening.<br /><br />They were DAP's Liew Chin Tong, Amanah's Raja Kamarul Bahrin Raja Ahmad and Bersatu's Mohd Radzi Md Jidin and Marzuki Yahya.<br /><br />Liew was appointed as deputy defence minister.