A P Gupta is retired Lt. Col., born at Karnal on 15 Oct. 1939. He has joined National Defance Academy Kharakavasla commissioned in the Regiment of Artillery in the year 1959. He actively took part in the Indo-Pak war, 1971 from the Khemkaran Sector. After retirement from the military in the year 1990, he was the associated with several Reputable Security Agencies of NCR Delhi . Apart this he is also sharing this experiences through writing books on military, security and intelligence agencies.