Army Chief Gen Bikram Singh today assured the nation that the Indian Army was prepared to face all challenges to national security.Addressing the 65th Army Day celebrations in Delhi this morning,he said that Indian Army is always prepared for securing boundaries of the nation and foil designs of the enemies.General Singh added that in view of various challenges, operational preparedness of forces are at the highest level, He also said that Indian Army's record as far as human rights is concerned is the best in the World.