Major General Purna B. Silwal (Retd) Ph.D., has served in the Nepalese Army for three and half decades. He worked as Military Advisor in the Permanent Mission of Nepal to the United Nations in New York (2008-11), United Nations peacekeeper and a military observer in Lebanon and D.R. Congo, Aid de Camp to the Chief of the Army Staff, an analyst at the National Security Council Secretariat, Directing Staff and Commandant of the Army Command and Staff College, and Division Commander.