Colonel Harjeet Singh (Retd) was commissioned into the Sikh Light Infantry in 1969 and took early retirement in 1998. He holds an MSc and MPhil in Defence and Strategic Studies from University of Madras. A keen student of military history, he is the author of many articles and monographs on defence and strategic affairs. He has over a dozen published books to his credit and is well-known for his erudition and perspicacity of analysis.