He served in a variety of command and staff positions as well as with the United Nations. He has also been an instructor in
Pakistan Military Academy,
Pakistan Command and Staff College, and the
National Defence University. In these roles he helped implement significant reforms to bolster Pakistan's counter-terrorism capabilities through coordinated military and civil education programs. He is also a graduate from the
Institute of Advanced Studies in National Defence and
Royal College of Defence Studies in the United Kingdom. He also holds a master's degree from
Quaid-i-Azam University and
King's College London and a
PhD in International Relations. On 9 May 2009, the Army Promotion Board in Rawalpindi promoted Brigadier Khokhar to the rank of major general. Khokhar was
General Officer Commanding in 2010. In 2011, Major General Khokhar commanded the 23rd Division. Khokhar had also been Chief Instructor of the A-Division at the
National Defence University, Islamabad. In 2011, the President of Pakistan,
Asif Ali Zardari awarded Khokhar the
Hilal-i-Imtiaz (M). He had also been serving as DG ISSRA, a think tank at the NDU. In 2011, he was also on the editorial board of the National Defence University Journal, Islamabad. He is one of the only Christian officers who have made it to the rank of major general. He retired in August 2016 after serving for 36 years. ==Later life==