India, Aug. 8 -- Even a cursory reading of the history of India, despite the distortions and slants that remain in the recital of the different stages of progress of the subcontinent, shows the importance of security. Lack of attention to this basic need caused the downfall of mighty empires in which people enjoyed a prosperous and stable life. They were defeated by foes much less endowed than they were even in the military sphere, who prevailed because of defective military tactics and inadequate preparation. Prithiviraj Chauhan's powerful armies were bested by Mahmud Ghori, who attacked at night while his enemies were asleep. The rules of chivalric warfare that were scrupulously observed by Prithviraj were ignored by his opponent, who t...