Colonel Harjeet Singh took early retirement from the Indian Army in 1998. He holds an M.Sc. and M. Phil. in Defence and Strategic Studies from the University of Madras. A graduate of the Defence Services Staff College, Wellington he was also an instructor at that institution. Amongst his publications are Evolution of Strategy: From Sun Tzu to Clausewitz; Soldiering with Faith: The Sikh Light Infantry; Doda: Insurgency in the Wilderness;, A Quest for Excellence: Training the Indian Army; Elephants versus Cannons: The Battles of Panipat; The Military Strategy of the Arthasastra; and The Thirty-Six Stratagems. He has also prepared Notes on Military History for Army Promotion Examinations as well as the DSSC/TSOC Examination for the past four years.