Khan was appointed to the Senate of Fiji on 13 July 2005 to fill a vacancy caused by the death of Dr Ahmed Ali. Khan became one of the 9 out of 32 Senators nominated by the Prime Minister. Khan was formally sworn in on 22 August 2005. In June 2006, he became vice-president of the Senate of Fiji and served in this capacity until the Senate was forcibly dissolved one day after the military coup of 5 December 2006. On 14 October, 2005, Khan launched a national appeal for funds to assist with relief efforts in the wake of the devastating earthquake that struck Kashmir, on the Pakistan border on 8 October, 2005.