Srinagar, June 7 -- Wars have been throughout history. Peace usually does not sustain long. The invention in science and technology led to the evolution in the technology of war too. From ancient wars between kings to two world wars between European nations and now new wars of 21st century one sees the development and evolution of both war and war technology. While the ancient and medieval wars were fought between armies of the kingdoms or nations and were limited to the battlefield, modern wars are not always between armies of nations but sometimes include non-state actors as well. Also modern wars are not limited to the battlefield. Even one can say that modern wars have no specific battlefield at all. It is fought in the land, sea, sky...