Robots have become an integral part of modern human life. With every passing year the population of robots is being increased. The industry has replaced a large number of human workers with lesser number of robots on the grounds of economy and efficiency. A robot is a modern version of slave, which perform any task in its capacity satisfying the old human instinct to rule. A robot follows the command as ordered by the human master. Therefore the humans can still enjoy mastering a thoughtless, speechless but efficient slave under their authority. To err is human. But industrialists do not...