The very purpose of AI is to preserve and recreate itself without the limitations of the human body. It is an oxymoron. It is guided by imagination. AI demands precision. Digital India, Flagship programme launched byPrime Minister NarendraModitriggered policymakers to establish AI ready infrastructure by making the country digitally empowered in the field of technology. With rivals being ahead of us, it is of the utmost importance to view AI as acritical element of national security strategy. Elon Musk called the prospect of artificial intelligence “our greatest existential threat” in a 2014 interview with MIT students1. Unmanned drones furnish sustained surveillance and meteoric strike on targets, and small robots are used to disarm improvised explosive evices.Stone pelting could be a history soon. The defence budget for the year 2018-19 is increased by 7.81 per cent2 to meet the operational requirements and research developments to diminish the need for human soldiers to risk their lives.While the industries gen up on AI-research, numerous cyber security start-ups are inculcating AI to tackle the threats. This paper seeks to study the challengesfaced by the defence and the public at large to address and adapt to the developments in the field of AI. The study is based on various books, articles and case studies with interpretation. The paper is concluded by highlighting the importance of Rational thinking to make the world a better place. 1.Observer - Stephen Hawking, Elon Musk, and Bill Gates Warn About Artificial Intelligence by Michael Sainato 08/19/15 2. The Economic Times by ShauryaGurung, ET Bureau, Feb 01,2018