The book acquaints the readers with the notions of Politeness and Gratitude. Some basic principles are set out which are seen to motivate the use of expressions of Politeness and Gratitude in various social situations in Hindi-Urdu speech community. A set of conditions in postulated which characterize these expressions. The theory in general, not only clarifies Politeness and Gratitude but it also distinguishes between the two by way of the set of conditions ...